in minneapolis, opening statements will begin today in the federal civil rights trial of three former police officers charged in the death of george floyd. two to you, alexander kang and lang all face life in prison if convicted. derek chauvin who was convicted last year of murdering george floyd has already pleaded guilty to federal charges and will not be a part of this trial. let's bring in former prosecutor, trial attorney and legal analyst on the law and crime network. good morning. thank you so much for getting up early with us. so, you know, derek chauvin already convicted of killing george floyd. two of these defendants were rookies. you know, i assume they'll lean in on the hierarchy of the situation, right, that he was the leader, chauvin. what do prosecutors have to prove against these three former officers? >> sure. well, in this case, which is a little different than the state case that these officers are still facing later down the line, really what prosecutors