Former FBI informant charged with stabbing Derek Chauvin 22 times in prison - DOJ | 1 Dec 2023 | An inmate at FCI Tucson has been charged with allegedly stabbing Derek Chauvin, the former Minneapolis police officer convicted of killing George Floyd, according to the Justice Department. Chauvin was allegedly stabbed 22 times by 52-year-old John Turscak on Nov. 24. Turscak was charged with attempted murder after he allegedly used a knife he crafted to stab him... Chauvin was listed in stable condition in the days after the stabbing and officials said he would recover. Turscak pleaded guilty to racketeering and conspiring to kill a gang rival after previously working as an FBI informant against the Mexican Mafia organization, according to The Los Angeles Times. He was sentenced to 30 years in prison in 2001.