Quenton Marselles Brown, the father of Boston Celtics star and 2024 NBA Finals MVP Jaylen Brown, was arrested in Las Vegas on August 21, 2025, on an attempted murder charge. The incident occurred following a dispute over a parking spot at a Las Vegas park, which escalated into Marselles Brown allegedly stabbing a youth football coach multiple times. The altercation reportedly stemmed from a "door ding" during the parking dispute. Marselles Brown, a former professional boxer, appeared in court where a judge set bail at $300,000. Authorities and multiple reports confirm the stabbing and the charge of attempted murder in connection with the incident.