John Turscak, 52, allegedly stabbed Chauvin repeatedly with an “improvised knife” in the law library of a Tucson federal prison.

Source: https://www.msnbc.com/top-stories/latest/derek-chauvin-stabbing-prison-attempted-murder-rcna127751

The complaint charges John Turscak, 52, with stabbing Chauvin about 22 times "with an improvised knife" on Nov. 24 while incarcerated at Federal Correctional Institution Tucson, prosecutors said.

Source: https://www.japantimes.co.jp/news/2023/12/02/world/crime-legal/derek-chauvin-stabbing/

Turscak had ordered an assassination attempt of Martinez in 1997, and Martinez was “wounded in the arm and his fiancé narrowly missed being shot,” the Times reported.

Source: https://vdare.com/posts/derek-chauvin-s-stabber-is-a-slavic-mexican-leader-of-the-mexican-mafia