Train stabbing suspect’s family has history of crimes, records show; Their father, Decarlos Brown Sr., has been arrested for allegedly breaking and entering, felony conspiracy, larceny and possession of a weapon on a university campus, according to the New York Post. Brown Sr. could not be reached for comment. Stacey Dejon Brown, the older brother of the alleged killer, is locked up on a 27- to-36-year sentence for the 2012 shotgun slaying of a 65-year-old man during a robbery. His sister, 33-year-old Tracey Vontrea Brown, has a criminal record that includes misdemeanor shoplifting, larceny, felony conspiracy, vehicle theft and resisting public officers, with her most recent arrests coming in 2024 for misdemeanor larceny, Decarlos Dejuan Brown Jr., taken Aug. 28, 2025, days after the fatal light-rail stabbing of Ukrainian refugee Iryna Zarutska.