A white former Atlanta-area police officer who shot an unarmed, naked, mentally ill black veteran is asking a judge to dismiss the charges against him.

Robert Olsen was indicted in January on numerous charges, including felony murder, in the shooting death of 27-year-old Anthony Hill. He pleaded not guilty in June.

Olsen is scheduled to appear Friday in DeKalb County Superior Court for a hearing on his motion to dismiss the charges.

Olsen shot Hill on March 9, 2015, while responding to a call about a naked man behaving erratically outside a suburban Atlanta apartment complex. Hill's family says he was a U.S. Air Force veteran who struggled with mental health problems.

Olsen has since resigned from the DeKalb County Police Department.