Derek Chauvin, the former Minneapolis police officer convicted of murder in the death of George Floyd, is appealing his conviction and sentence, according to documents filed on Thursday. According to an affidavit filed, Chauvin, who in June was handed a 22 1/2 years sentence for second-degree murder by Hennepin County District Court Judge Peter Cahill, claims that the judge abused his discretion or erred during several key points in the case. Chauvin said he intends to raise 14 issues, including the judge’s handling of his request to move the trial out of Hennepin County due to pretrial publicity. He also claimed the judge abused his discretion when he denied a request to sequester the “clearly biased” jury during the trial, and when he denied requests to postpone the trial or grant a new one. Earlier this year, Chauvin was convicted of second-degree murder, third-degree murder, and manslaughter for the May …