Hudson County Criminal Lawyer Blog

New Jersey Supreme Court Holds That Diminished Capacity Requires Expert Testimony

Published on: August 25, 2026 | by Stephen J. Natoli

Courts-Ruling-on-Diminished-Capacity-300x300 The New Jersey Supreme Court has answered a question that has lingered in our criminal courts for decades: can a defendant obtain a diminished capacity jury instruction on lay testimony alone? In State v. Mustafa, a unanimous decision issued on August 3, 2026, the Court held that expert testimony is required both for a defendant to invoke the diminished capacity defense and for a trial court to instruct the jury on it. The Court affirmed the Appellate Division and confirmed that an expert is necessary to support an insanity defense. For anyone who handles serious violent crime cases, this opinion changes how mental health evidence must be developed, and it changes it well before trial begins.

The case arose from a late night shooting on a Monmouth County highway in May 2018. The defendant was driving with his then girlfriend when the victim, traveling on the same roadway, turned on her high beams because one of her headlights was out. The defendant became upset, pulled over to let her pass, then accelerated until he nearly struck her bumper while flashing his own high beams. As her car began to exit, he put his vehicle in neutral, rolled down his window, drew a handgun, and fired. She died of a gunshot wound to the head. A grand jury returned a six count indictment charging first degree murder, weapons offenses, and endangering. Defense counsel initially served notice of an insanity defense, but the defendant later instructed his attorney to withdraw it, and a pretrial memorandum recorded that decision in plain terms, noting that the insanity defense was withdrawn and that there would be no psychiatric expert testimony. The trial court found the waiver knowing and voluntary.

Diminished capacity, however, was raised explicitly at trial, and a fair amount of lay evidence about the defendant’s mental health reached the jury. His then girlfriend testified that he had begun seeing her psychiatrist to obtain Adderall because he liked how it made him feel, that he smoked marijuana daily, and that he had immersed himself in conspiracy research. She described his belief that he was the target of gang stalking, that people were shooting laser beams, radiation, and concentrated microwaves at him, and that he wore tin foil under a baseball cap and helmet to deflect the rays. She said his statements reminded her of a relative who has schizophrenia. On the night of the shooting, she testified, he took Adderall three times within several hours, yelled about people trying to hit him with radiation and follow him, and screamed that he could not take it anymore and had to fight back. The defendant did not testify and called no witnesses. When counsel requested a diminished capacity charge at the close of evidence, arguing that a medical diagnosis was not required, the trial court denied it because there was no medical or expert testimony in the record. The jury convicted on all counts and the defendant received an aggregate life sentence.

Third-Party Payment of Legal Fees Does Not Create a Per Se Conflict: New Jersey Supreme Court Decides State v. Kearney

Published on: August 4, 2026 | by Stephen J. Natoli

Legal-Fees-Paymenr-300x300 The New Jersey Supreme Court issued a unanimous decision in State v. Kearney addressing a question criminal defense attorneys encounter often but rarely litigate: what happens when someone other than the defendant pays the legal bill, and that person later testifies for the State. The Supreme Court held that a third party’s payment of a defendant’s legal fees does not create a per se conflict of interest, and that on this record the defendant failed to establish an actual conflict either. The Court affirmed the denial of post-conviction relief without an evidentiary hearing, and it used the opinion to recommend best practices for documenting third-party fee arrangements going forward.

The case arose from a fatal stabbing in Middlesex County in August 2013. The defendant was at the home of his girlfriend, with whom he shared a child, when a fight broke out among the men in the house. The victim was her cousin. She later told police that after the two of them left together, the defendant said something was wrong with the victim and that he had “poked” him. They returned to find the victim on the floor, and first responders later found him without a pulse. A jury convicted the defendant of first-degree murder and related offenses, and he received an aggregate fifty-year term subject to the No Early Release Act. The conflict issue arose because the girlfriend had hired the defendant’s trial attorney and paid his fees. She testified that she met with him three times, the last in 2014, and that their conversations concerned payment only. At trial the State called her as its witness and emphasized her second statement to police. Defense counsel’s cross-examination focused instead on her earlier account that the victim had been cut, and drew out that she had been held at the station for roughly sixteen hours, had not been allowed to use a bathroom, and had, in her words, been broken by the experience. Counsel also established that she had not visited his office since 2014, had no contact with him beyond paying the fees, and had retained her own unaffiliated lawyer to prepare for her testimony. After an unsuccessful direct appeal, the defendant filed a petition for post-conviction relief asserting that the fee arrangement created a conflict. The PCR court denied it without a hearing, and the Appellate Division affirmed at 479 N.J. Super. 539.

The Court’s analysis began with the duty of loyalty codified in RPC 1.7 and the two-tier framework from State v. Norman. Courts first ask whether the alleged conflict is a per se conflict, meaning one so inherently fraught with divided loyalties that prejudice is presumed and reversal follows unless the defendant knowingly and intelligently waived it on the record. That category is deliberately narrow, covering situations such as simultaneous representation of codefendants and, under State v. Cottle, an attorney under indictment in the same county and prosecuted by the same office as his client. If no per se conflict exists, courts ask whether there was an actual conflict and, if so, whether a great likelihood of prejudice resulted. That inquiry is flexible and fact-sensitive, asking whether the lawyer’s representation was materially limited by responsibilities to another client, a third party, or the lawyer’s own interests. The asserted conflict must rest on more than a fanciful possibility, and a bald assertion will not do. The Court also reaffirmed that waiver is never to be inferred from a silent record.

New Jersey Supreme Court Tightens the “Reasonable Diligence” Standard for New Trial Motions: State v. Nirav Patel

Published on: June 9, 2026 | by Stephen J. Natoli

New-Evidence-300x300 The New Jersey Supreme Court issued a unanimous decision in State v. Nirav Patel that delivers an important message to defendants and defense counsel about newly discovered evidence. The Court held that a defendant who possessed exculpatory documents before trial, knew or had reason to know they existed, and yet never searched for them during the four years between indictment and trial cannot satisfy the reasonable diligence requirement for a new trial. The Court reversed both the trial court and the Appellate Division, which had granted the defendant a new trial, and remanded the matter for sentencing. The decision clarifies how the reasonable diligence prong of the newly discovered evidence standard operates and how much deference appellate courts owe to a trial court’s findings on that question.

The underlying prosecution arose out of a failed restaurant venture in Hoboken. In May 2019, a State grand jury indicted Nirav Patel for second-degree theft by deception. The State alleged that he obtained $750,000 from a group of six investors who believed they were purchasing a 30 percent interest in a planned World of Beer franchise, when in reality Patel owned only a 5 percent interest in the entity that held the franchise rights. The investors’ money was deposited into an account belonging to his family’s business, Bhagu, Inc. A financial crimes investigator testified at trial that the funds were used to pay Patel’s personal expenses, including mortgage and car payments for a residence and a Porsche, to cover debts of the family’s restaurant, and to fund checks made payable directly to Patel. According to the investigator, none of the money ever reached the franchise entity or was used for the benefit of the Hoboken project. In April 2023, nearly four years after the indictment, a jury found Patel guilty.

Eight days after the verdict, Patel moved for a new trial based on newly discovered evidence. At an evidentiary hearing, his sister testified that the family was shocked by the verdict and that she began combing through boxes of documents at their parents’ home, where Patel had lived full-time since 2019. After days of searching, she found eleven pages in the garage referencing Bhagu and World of Beer. Patel then searched his own email accounts using basic terms such as “World of Beer” and “Bhagu,” and within roughly an hour he located complete versions of the documents. Among them were two franchise agreements naming Bhagu, Inc. as the sole franchisee for the Hoboken location and a guaranty reflecting that Patel held a 30 percent interest in an entity called Tapmasters II. Patel argued the documents proved he had authority to sell shares to the investors. World of Beer’s chief development officer testified that he believed the Bhagu agreements were not legitimate and that a search of the company’s records turned up no trace of them. The trial court nonetheless granted a new trial, reasoning that because Patel was involved in many businesses, the evidence was buried among presumably thousands of documents and was not discoverable by reasonable diligence. The Appellate Division affirmed.

State v. DiNapoli: The New Jersey Supreme Court Clarifies Causation Defenses in Vehicular Homicide Cases

Published on: May 21, 2026 | by Stephen J. Natoli

The New Jersey Supreme Court issued a unanimous decision in State v. Thomas J. DiNapoli that carries significant implications for how vehicular homicide cases are litigated across the state. At its core, the Court held that a defendant charged with vehicular homicide has the right to present expert testimony challenging the State’s theory of causation under prong one of N.J.S.A. 2C:2-3(c), even when that testimony does not directly rebut “but for” causation. The Court also held that no preliminary N.J.R.E. 104 hearing is required to determine the admissibility of such expert opinions. For criminal defense attorneys and prosecutors working in Hudson, Essex, Union, Passaic, and counties throughout New Jersey, the decision reshapes how causation defenses are built, disclosed, and presented at trial.

On the afternoon of June 4, 2019, Thomas DiNapoli was driving in Union Township when his vehicle crossed the double yellow lines and struck an oncoming car. The front-seat passenger was ninety-four years old and suffering from dementia and Alzheimer’s disease. She was transported to the hospital with rib and patella fractures and lung contusions. The following day, her family opted for palliative care given her overall condition, and she died later that afternoon. DiNapoli, who had taken his prescribed medication Clonazepam in excess of a normal therapeutic dosage before driving, was charged with second-degree vehicular homicide. The autopsy listed the cause of death as blunt impact injuries sustained in the collision.

To contest the State’s theory that his reckless driving caused the front-seat passenger’s death, DiNapoli proffered three experts who concluded that the injuries were not life-threatening and that she would have recovered from the accident had her family not elected palliative care. In their view, the actual cause of death was respiratory depression brought on by the narcotic medications administered as part of hospice treatment, not the trauma from the crash. The State moved to bar all three experts, and after a procedural history that included a mistrial, the Appellate Division sided with the State and remanded the matter for an N.J.R.E. 104 hearing to resolve what it saw as troubling inconsistencies among the defense experts’ reports. The Supreme Court granted leave to appeal and reversed.

New Jersey Supreme Court Rules on Persistent Offender Sentencing: What State v. Carlton Means for Criminal Practitioners

Published on: May 1, 2026 | by Stephen J. Natoli

ChatGPT-Image-May-1-2026-03_50_30-PM-300x300 The New Jersey Supreme Court issued a unanimous decision in State v. Jamel Carlton that has immediate and far-reaching consequences for how extended-term sentences are sought and challenged across the state. At its core, the Court held that a constitutional error occurred when a judge, rather than a jury, made the factual findings required to sentence Carlton as a persistent offender under N.J.S.A. 2C:44-3(a). But the Court did not stop there. It went on to hold that such an error is subject to harmless error review, and that under the specific facts of Carlton’s case, the error was indeed harmless. For criminal defense attorneys and prosecutors working in Hudson, Essex, Union, Passaic, and counties throughout New Jersey, the decision raises important questions about pending cases, ongoing sentencing proceedings, and the long-term viability of the persistent offender statute as it currently reads.

The background of the case is straightforward. Jamel Carlton was convicted after a jury trial of first-degree aggravated sexual assault, burglary, and related offenses. At sentencing, the State moved to have him sentenced as a persistent offender based on two prior New York convictions such as a third-degree robbery from 2007 and a fourth-degree possession of stolen property from 2011. The trial judge, not a jury, made the factual findings establishing Carlton’s persistent offender status and imposed an aggregate forty-two-year term subject to the No Early Release Act. While Carlton’s appeal was pending, the United States Supreme Court decided Erlinger v. United States, 602 U.S. 821 (2024), which held that the Fifth and Sixth Amendments require a unanimous jury, not a judge, to determine whether a defendant’s prior offenses were committed on separate occasions when those findings increase sentencing exposure. Both the State and Carlton agreed that his sentence was unconstitutional under Erlinger.

The constitutional backdrop matters here, and the New Jersey Supreme Court traced it carefully. The line of cases from Apprendi v. New Jersey through Blakely v. Washington and into Erlinger stands for a consistent proposition: any fact that increases the penalty for a crime beyond the prescribed statutory maximum must be submitted to a jury and proven beyond a reasonable doubt. Erlinger extended that logic directly to the persistent-offender context, rejecting the government’s argument that the narrow “prior conviction” exception established in Almendarez-Torres allowed a judge to resolve the surrounding factual questions such as whether the prior offenses were committed on different occasions. The New Jersey Supreme Court made clear that Erlinger abrogated the Court’s own earlier holding in State v. Pierce, which had permitted judges to make exactly those findings.

New Jersey Supreme Court Rules That Cell Site Location Evidence Requires an Expert Witness

Published on: April 24, 2026 | by Stephen J. Natoli

Cell-Phone-Tower-Expert-300x300 On April 16, 2026, the New Jersey Supreme Court issued a unanimous decision in State v. Jule Hannah that carries significant consequences for how cell phone location evidence can be presented in criminal trials. The Court held that cell site location information, commonly known as CSLI, involves technical and specialized knowledge that is beyond the understanding of the average juror, and therefore must be introduced through a qualified expert witness. The decision affirms the Appellate Division’s reversal of Hannah’s first-degree murder conviction and orders a new trial, drawing a clear line that prosecutors and defense attorneys across New Jersey must now respect.

The case arose from the January 2017 death of Miguel Lopez, who was found shot to death in his car in Bridgeton after crashing into a tree. Investigators developed Hannah as a suspect based on surveillance footage, DNA from a cigar butt recovered from the passenger seat, and cell phone records. At trial, the State sought to use those records to place Hannah in Lopez’s car during the ride from Monroe Township to Bridgeton. Rather than calling a qualified expert, the State presented Detective Sergeant Leyman as a lay witness to testify about which cell towers Hannah’s phone connected to during the relevant time period. The trial court tried to thread the needle allowing Leyman to testify about tower locations while repeatedly instructing the jury that a cell phone’s connection to a tower does not establish where the phone was at any given moment. That tension, the Supreme Court concluded, was precisely the problem.

The Court’s analysis began with a foundational distinction in the rules of evidence between lay and expert testimony. Under New Jersey law, a lay witness can offer opinions based on common knowledge and observation. When a subject is so technical that the average juror cannot form a valid conclusion without guidance, however, expert testimony is required. CSLI, the Court explained, squarely falls into that category. Whether a phone connects to the nearest tower depends not just on proximity but on a constellation of variables such as tower height, antenna direction, terrain and topography, network load balancing, and the technical characteristics of the phone itself. A jury left to draw inferences from raw call records, without any expert framework to interpret them, risks attributing far more or far less weight to that data than the evidence actually warrants.

When Small Errors Add Up: Drug Conviction Overturned in State v. Butler

Published on: April 13, 2026 | by Stephen J. Natoli

Judicial-papers-and-evidence-folder-300x300 Prosecutors are given considerable room to be forceful at trial. They can strike hard blows, paint vivid pictures for the jury, and provide context for how an investigation unfolded. But there is a line between vigorous advocacy and conduct that undermines a defendant’s right to have guilt or innocence decided solely on the evidence. In a unanimous opinion issued on February 25, 2026, the New Jersey Supreme Court drew that line in State v. Gerald W. Butler, reversing a drug conviction and ordering a new trial after finding that no single trial error required reversal, but the accumulation of errors together did.

The case grew out of “Operation That’s All Folks,” a multi-agency investigation launched b y the Cumberland County Prosecutor’s Office Organized Crime Bureau in response to a series of shootings in Millville. Butler was not connected to those shootings. He became a subject of the investigation only after wiretap surveillance captured a call in which participants discussed a firearm purchase and police identified his voice. From there, investigators obtained a wiretap on Butler’s phone, surveilled an apartment he was seen entering, and ultimately executed a search warrant that turned up heroin, cocaine, drug paraphernalia, and two revolvers. Butler was acquitted of all weapons charges but convicted of CDS offenses, including distribution and conspiracy.

The problems at trial were multiple. First, the prosecutor opened by comparing the case to The Wire, the HBO drama famous for its portrayal of organized crime, murder, and urban violence in Baltimore. Defense counsel objected immediately. The trial court overruled the objection, reasoning the comments were not overly prejudicial. The Supreme Court disagreed that the analogy was appropriate, noting it invited jurors to associate Butler with violent criminal conduct untethered to anything the evidence would actually show. Still, because the reference was isolated and not repeated in closing, the Court declined to call it reversible error standing alone. Second, throughout trial, law enforcement witnesses testified extensively about gun violence, weapons trafficking, and organized criminal activity in Millville, all of it unconnected to Butler personally. The Court found this testimony improper, noting that while police can explain how an investigation started, background context cannot be used as a backdoor way of suggesting a defendant’s propensity for crime. Again, though, the Court stopped short of reversal on this ground alone, pointing to the substantial evidence on the drug charges and the jury instructions limiting consideration to the charged offenses. Third, despite a pretrial agreement between the parties and a court directive to use only the phrase “lawful search,” the State repeatedly elicited testimony that Butler was the “target” of a search warrant, triggering exactly the kind of improper inference the Court had cautioned against in State v. Cain, that a judge’s authorization of a warrant amounts to pre-approval of guilt. Once more, because the jury acquitted Butler on the weapons counts, the Court found this error alone would likely satisfy the harmless error standard.

New Jersey Appellate Division Suppresses Evidence From Defective Warrant

Published on: March 19, 2026 | by Stephen J. Natoli

Defective-Warrant-300x300 Search warrant cases often turn on major constitutional questions, but sometimes they come down to something much simpler: whether the State got the basics right on the face of the application. In a published decision issued on March 5, 2026, State of New Jersey v. Carlene Harris and Norman A. Thomas 4th, the New Jersey Appellate Division made clear that courts will not rescue a defective warrant by rewriting it after the fact. In this case, the warrant certification listed the key investigative events with dates that made the information stale, and the State later argued those dates were merely typographical errors. The Appellate Division rejected that argument, holding that probable cause must be evaluated from the four corners of the application itself, not from explanations offered later once the defect is exposed.

The case arose out of a drug investigation in Lakewood. According to the certification submitted in support of the search warrants, officers met with a confidential informant during the week of January 29, 2022, and then conducted controlled buys during the weeks of February 19, 2022, and February 26, 2022. Based on those events, police sought warrants in March 2023 to search two apartments, a vehicle, and a person. But the problem was obvious: if the dates in the certification were taken at face value, the key investigative activity had taken place more than a year earlier, making the information stale for probable cause purposes.

The State argued that the year “2022” was simply a typographical error and that the events actually happened in 2023. It also tried to support that position with police reports submitted later and asked for the opportunity to prove the mistake at a hearing. The trial court rejected that approach, suppressed the evidence, and the Appellate Division affirmed. The panel held that the validity of the warrants had to be judged based on what was actually presented to the issuing judge, not on what the State later wished had been included.

State v. Payne and the Limits of Compassionate Release

Published on: January 27, 2026 | by Stephen J. Natoli

Release-300x300 New Jersey’s Compassionate Release Act is supposed to do one thing well. It exists to ensure incarceration does not become a death sentence for someone who is seriously ill, medically vulnerable, or otherwise unable to be safely housed. The New Jersey Supreme Court’s decision in State v. Celestine Payne is a reminder, though, that medical eligibility is not the end of the analysis. Even when a person meets the statute’s medical requirements and shows low public safety risk, release remains discretionary. The State can still defeat the motion if it proves extraordinary aggravating circumstances.

Payne is not a close call on facts. The opinion recounts a disturbing pattern of calculated violence tied to a broader scheme involving life-insurance fraud, manipulation of family and friends, and multiple acts of violence, including an attempted murder and two murders. The Court highlighted the planning, the use of people around her, and the brutality of what happened, including the allegation that, after one victim survived, Payne went to the hospital, posed as his mother, and signed a do-not-resuscitate order. The point was not to relitigate guilt. The point was to explain why the State argued this case fell into the narrow category of truly exceptional and rare conduct.

What made the decision legally important is the procedural posture. The trial court found Payne met the Act’s medical and public safety requirements, but still denied release based on what the Supreme Court previously recognized as an extraordinary aggravating factor. The trial court concluded the offense involved conduct that was particularly heinous, cruel, or depraved. The Appellate Division reversed, reasoning that the facts did not meaningfully exceed what courts often see in murder prosecutions. The Supreme Court disagreed and reinstated the denial.

Supreme Court Rules on Trial Court’s Probe into Juror Impropriety

Published on: January 16, 2026 | by Stephen J. Natoli

Juror-Misconduct-1-300x300 The New Jersey Supreme Court’s decision in State v. Ebenezer Byrd is about something most people don’t think about until it happens: what a judge has to do when there is a credible report that a juror may be breaking the rules in the middle of a criminal trial. At its core, the case reinforces a basic promise of the justice system – jurors must decide guilt or innocence based only on the evidence presented in court, not outside information, outside conversations, or conclusions reached before deliberations begin.

In Byrd, court staff received a call reporting “alarming” conduct by a sitting juror. The report claimed the juror had discussed the case with coworkers, shown articles to others, “Googled” the case, and had already decided she would convict, using the phrase that she was going to “burn their asses.” Even though some details were unclear and the information passed through a few people before reaching the judge, the trial court treated it as serious enough to question the juror.

The Supreme Court’s concern was that the questioning did not match the seriousness of what was alleged. The judge asked the juror general questions, including whether she had encountered “posting or newspaper articles” outside of what was presented in court, but the Supreme Court found that approach too narrow and too generic for allegations like internet research and a mind already made up. In other words, once the court decides an allegation is plausible enough to investigate, it has to ask direct, fact-specific questions aimed at the allegation itself.