The state of Oklahoma launched an investigation on the Tulsa County Sheriff's Department after a volunteer deputy's fatal shooting of an unarmed black man, Reuters reports.
Reserve deputy Robert Bates, a 73-year-old white man, said he confused his stun gun with his handgun when he shot Eric Harris, 44, on April 2. The incident was caught on video. Bates pleaded not guilty to second-degree manslaughter and resigned from his position with the sheriff's office.
The Oklahoma State Investigative Bureau is looking for possible misconduct at the sheriff's department. Some say Bates, a personal friend of Sheriff Stanley Glanz, benefited from special treatment and did not receive proper volunteer training. There is no set timetable for the investigation.