MINNEAPOLIS—Three former Minneapolis police officers charged with violating George Floyd’s civil rights are asking that their federal trials be separated from the trial of Derek Chauvin, who has already been convicted on state murder charges for kneeling on Floyd’s neck as he pleaded for air. Attorneys for J. Kueng and Tou Thao said in court filings Tuesday that their clients would be unfairly prejudiced if they went to trial alongside Chauvin. An attorney for Thomas Lane filed a motion asking to join in his co-defendants’ request. Keung’s attorney, Tom Plunkett, said evidence against Chauvin would confuse the jury and deprive Kueng of his right to a fair trial. He also said there is a conflict of interest due to Chauvin’s level of culpability in Floyd’s death, saying “the jurors will not be able to follow the Court’s instructions and compartmentalize the evidence as it related to Mr. Kueng.” A federal …