Arizona inmate charged with attempted murder after Derek Chauvin stabbing

Federal prosecutors announced attempted murder charges against an Arizona inmate Friday, a week after ex-Minneapolis cop Derek Chauvin was stabbed 22 times inside a library at the Tucson penitentiary where they are both inmates.

John Turscak, 52, is also facing multiple assault charges and inflicting serious bodily injury with an "improvised knife" around 12:30 p.m. on Black Friday – a day the suspect allegedly told investigators he picked to symbolize the "Black Lives Matter" movement, which spurred months of protests around the country in connection with the death of George...