State v. Simms

Supreme Court of New Jersey · 2016 · Evidence

224 N.J. 393 (2016)

Updated August 22, 2026

EvidenceExpert testimonyDrug prosecutionsHypothetical questionsUltimate issueN.J.R.E. 702N.J.R.E. 704plain error

Facts

During surveillance of a public housing project, Detective Ruzzo saw defendant leave a red car, lean into a silver car, and hand the driver only "an object" in exchange for what appeared to be one bill of currency. Police then found ten packets of heroin stamped "Sweet Dreams" on the passenger seat of the silver car, and co-defendant Butcher, who was sitting in defendant's car, pulled thirteen similarly stamped bags of heroin from the back of her pants. At trial, the prosecutor's hypothetical to the State's drug expert assumed that defendant handed the driver ten packets of heroin for $100, even though no witness had testified to seeing heroin exchanged. The expert then opined that Butcher's possession was consistent with distribution and that she appeared to have conspired with the male to distribute CDS.

Issue

Whether, in a straightforward drug prosecution, the State may use a hypothetical question that assumes a disputed fact not established by testimony and elicit expert testimony that effectively states defendant and his co-defendant conspired to distribute drugs. Also, whether the admission of that testimony constituted plain error requiring reversal.

Rule

Expert testimony is admissible only if specialized knowledge will assist the trier of fact, and even ultimate-issue testimony is inadmissible unless the subject is beyond the ken of the average juror. In drug cases, the prosecutor may not summarize straightforward but disputed evidence in a hypothetical and then elicit an expert opinion about what happened; nor may an expert mimic statutory language to opine on distribution, conspiracy, or a defendant's guilt where jurors can draw their own conclusions from the facts. Hypotheticals, when used, should be compact, should not serve as mid-trial summations, and should not assume contested facts in a way that answers the very issue reserved for the jury.

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One of 10 multiple-choice questions for this case. Pick an answer to see why.

In Newark, officers watched Devin Cole walk up to a parked sedan, lean into the window, and exchange an unidentified small item for folded cash. Minutes later, police found eight wax folds of heroin on the sedan's front seat, and the prosecutor asked a narcotics expert to assume Devin had handed the driver those eight folds for $80.

Should the court admit the expert's resulting opinion that the exchange was a distribution sale?

Explanation. The opinion should be excluded. In a straightforward drug case, the prosecutor may not use a hypothetical to convert disputed observations into assumed facts and then ask the expert what happened. Here, the officer saw only an unidentified item; assuming it was heroin answers the very question reserved for the jury and improperly bolsters the State's proof.