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Jaylen Brown’s Father Held Without Bail on Attempted Murder Charge in Las Vegas Stabbing

Police say a parking-space argument at All American Park escalated to a stabbing that left a youth coach hospitalized after surgery.

Quenton Marselles Brown pictured in 2022.
Jaylen Brown #7 of the Boston Celtics reacts against the New York Knicks during the third quarter in Game Five of the Eastern Conference Second Round NBA Playoffs at TD Garden on May 14, 2025 in Boston, Massachusetts. NOTE TO USER: User expressly acknowledges and agrees that, by downloading and or using this photograph, User is consenting to the terms and conditions of the Getty Images License Agreement. (Photo by Brian Fluharty/Getty Images)
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NEW YORK, NEW YORK - MAY 16: Jaylen Brown #7 of the Boston Celtics drives to the basket against Jalen Brunson #11 of the New York Knicks during the third quarter in Game Six of the Eastern Conference Second Round NBA Playoffs at Madison Square Garden on May 16, 2025 in New York City. NOTE TO USER: User expressly acknowledges and agrees that, by downloading and or using this photograph, User is consenting to the terms and conditions of the Getty Images License Agreement.

Overview

  • Quenton “Marselles” Brown, 57, was booked into the Clark County Detention Center and denied bail, with a first court appearance set for Thursday afternoon.
  • Las Vegas police say the confrontation began with a door ding dispute in the park lot before the suspect allegedly stabbed the victim in the torso.
  • The victim underwent emergency surgery and is reported to be recovering; earlier hospital assessments listed his condition as critical.
  • Officers detained Brown near U.S. 95 and Decatur Boulevard; the weapon was not recovered, and police noted abrasions and bleeding on him.
  • Police documents and media reports identify the suspect as a former heavyweight boxer and the father of NBA star Jaylen Brown, with no public comment from Jaylen or the Celtics.