A nine-time convicted felon died after being found hanging in the Cook County jail just two days after a judge found him guilty of escaping electronic monitoring and killing a man. Marvin Flanagan, 33, was pronounced dead on December 20, a week after correctional staff discovered him hanging in a jailhouse shower in what appeared to be a suicide attempt, according to the Cook County Sheriff’s Office.
Judge Joanne Rosado had found Flanagan guilty of four murder counts on December 11, according to court records. She dismissed the murder case last week, along with six pending cases involving allegations that Flanagan battered correctional officers while awaiting trial for the murder.
Flanagan was convicted of killing 39-year-old Miguel Perez during a December 21, 2020, home invasion in Humboldt Park. At the time of the murder, Flanagan was supposed to be home on electronic monitoring for an armed habitual criminal gun charge.
According to prosecutors, Perez was socializing with friends in his basement apartment when his home security system detected movement near the alley and sent an alert to his phone. Armed with a handgun, Perez went outside to investigate and was shot almost immediately after walking out the door. Perez reportedly fired several shots before losing consciousness…