In this April 15, 2021, file image from video, defense attorney Eric Nelson, left, and defendant, former Minneapolis police Officer Derek Chauvin, address Hennepin County Judge Peter Cahill at the Hennepin County Courthouse in Minneapolis. As the federal trial for three former Minneapolis officers charged with violating George Floyd's civil rights is set to begin Monday, Jan. 24, 2022, some wonder whether Derek Chauvin – the officer already convicted of Floyd's murder – will take the stand. (Court TV via AP, Pool File)