Active investigation · Pennsylvania

Nicole Virzi: The Leon Katz Case

A sourced case file on the death of 6-week-old Leon Katz, the alleged injuries to his twin brother Ari, Nicole Virzi’s recorded police statement, the pretrial rulings, and the October 2026 trial.

Research status: Jury trial scheduled October 1, 2026 · Updated September 29, 2026

Nicole Virzi and Leon Katz case graphic for Jaded Evidence, featuring Pittsburgh imagery and twin infants.

Where the case stands

Nicole Virzi is charged in Allegheny County with criminal homicide, aggravated assault, and endangering the welfare of children in connection with the June 2024 death of 6-week-old Leon Katz and injuries prosecutors allege were inflicted on his twin brother, Ari. Virzi has pleaded not guilty. The Pennsylvania court calendar currently lists jury trial for October 1, 2026 at 8:30 a.m. in Courtroom 327 of the Allegheny County Court of Common Pleas. The docket number is CP-02-CR-0004996-2024.

Important distinction: Statements attributed to Virzi below are prosecution evidence from a recorded police interview. They are not a diagnosis, and the fact that a judge ruled the recording admissible does not establish that every statement is true or prove guilt.

What prosecutors allege happened

Virzi was visiting longtime friends Savannah Roberts and Ethan Katz in Pittsburgh in June 2024.
After injuries were discovered on Ari, the parents took him to UPMC Children’s Hospital while Virzi remained with Leon.
Virzi initially told investigators that Leon fell from a bouncer or infant seat while she briefly left the room.
Leon suffered catastrophic head injuries and later died. The Allegheny County Medical Examiner ruled his death a homicide caused by blunt-force trauma to the head.
Doctors also documented bruising, swelling, redness, and scratches on Ari and told investigators that injuries to both infants were consistent with inflicted, non-accidental trauma.

The recorded police statement

Prosecutors say Virzi’s account changed during a lengthy police interview. According to court reporting on the suppression hearing, she ultimately made a recorded statement in which she allegedly described intentionally shaking Leon and dropping him multiple times, including an impact she associated with hearing a “crack.” Prosecutors also attribute to her a statement that, from a young age, she experienced an urge or compulsion to hurt children.

The defense sought to suppress the recording, arguing that the interrogation was coercive and that Virzi’s statement was not voluntary. On February 23, 2026, Judge Jill E. Rangos rejected that argument and ruled the statement admissible for trial.

What the defense says

Virzi maintains her innocence and has pleaded not guilty.
Her attorneys have challenged the prosecution’s interpretation of the medical and circumstantial evidence.
The defense argued that the police interrogation was overly long and coercive and sought to keep the recorded statement from the jury.
Because the statement was ruled admissible, jurors are expected to hear and evaluate it alongside the medical, forensic, and other evidence.

Death penalty history

Allegheny County prosecutors initially filed notice that they intended to seek the death penalty. In June 2026, the District Attorney’s office withdrew that request. The case remains a homicide prosecution, but capital punishment is no longer being pursued.

Key timeline

June 15–16, 2024: Ari is taken to the hospital with injuries; Virzi remains with Leon. Leon later suffers fatal head injuries and dies.
June 2024: Virzi is arrested and charged.
August 2024: Prosecutors announce their intention to seek the death penalty.
February 23, 2026: Judge Rangos denies the defense suppression motion and rules Virzi’s recorded police statement admissible.
June 2026: Prosecutors withdraw the death-penalty notice.
October 1, 2026: Jury trial is currently scheduled for 8:30 a.m., Courtroom 327, Allegheny County Court of Common Pleas.
October 14, 2026: The current court calendar separately lists motions court; that listing should be rechecked as the trial proceeds.

Questions to watch at trial

How will prosecutors authenticate and contextualize Virzi’s recorded statement?
What medical testimony will be offered regarding Leon’s head injuries and Ari’s injuries?
What evidence establishes when Ari’s injuries occurred and who had access to him?
How will the defense challenge the reliability or meaning of the recorded statements?
Will either side present psychiatric or psychological expert testimony, and if so, for what evidentiary purpose?
What limiting instructions will the jury receive regarding statements about alleged prior urges or conduct?

Clinical Lens: compulsion is not a diagnosis

A person describing an “urge” or “compulsion” does not, by itself, establish obsessive-compulsive disorder, psychosis, antisocial personality disorder, an impulse-control disorder, or any other diagnosis. Clinical interpretation requires a full history, symptom pattern, functional context, and professional evaluation. The legal relevance of such a statement is a separate question from its clinical meaning.

Selected sources

Editorial note: Nicole Virzi is presumed innocent unless and until proven guilty in court. Jaded Evidence distinguishes allegations, attorney arguments, admissibility rulings, medical findings, and jury findings as separate categories of information.