A former gang leader in the Mexican Mafia who was also a one-time FBI informant stabbed Derek Chauvin 22 times at the Federal Correctional Facility in Tucson, Arizona. John Turscak assaulted the ex-Minneapolis police officer Derek Chauvin on Black Friday leaving Chauvin near death.
Turscak has been charged with attempted murder, assault with intent to commit murder, assault with a dangerous weapon, and assault resulting in serious bodily injury.
Each charge carries a maximum sentence of up to 20 years in prison.
He is scheduled to complete his current sentence in 2026. He has represented himself in numerous court matters, and no lawyer is listed in court records.
Former Gang Leader Details
He is currently serving a 30-year sentence for crimes committed as a member of the Mexican Mafia.