A federal grand jury in Minneapolis has indicted four ex-police officers involved in the arrest and death of George Floyd on charges they violated Floyd's civil rights while detaining him last year, according to court documents unsealed on Friday. The three-count indictment names Derek Chauvin, Tou Thao, Alexander Kueng and Thomas Lane as defendants and charges them with depriving Floyd of his constitutional right not to be deprived of liberty without due process under the law, which includes his right to not have his medical needs ignored. "The defendants saw George Floyd lying on the ground in clear need of…