The 34-year-old suspect, Decarlos Dejuan Brown Jr., had been arrested 14 times in Mecklenburg County, North Carolina, before the stabbing, with criminal charges dating back to 2007.[17][18] On April 11, 2014, he was convicted of breaking and entering. While on probation, he was arrested for armed robbery and possession of a firearm by a felon.[18] Brown was convicted of armed robbery and incarcerated in state prison from 2015 to September 2020.[19][18] Upon release, he initially lived with his family, but his mother told ABC News that he was diagnosed with schizophrenia at this point and displayed violent behavior at home.[19] --
Killing of Iryna Zarutska, Wikipedia