FILE - In this Tuesday Jan. 25. 2012 file photo, Robert Gleason Jr. is escorted into a Wise County courtroom in Wise, Va. An execution date of Jan. 16, 2013 has been set for Gleason, who strangled two inmates in the state's highest security prisons and vowed to keep killing unless he was put to death. (AP Photo/Bristol Herald Courier, David Crigger, File) (The Associated Press)
FILE - This Sept. 23, 2009 file photo shows the electric chair at the Greensville Correctional Center in Jarratt, Va. Robert Gleason Jr. is scheduled to die at 9 p.m. Wednesday, Jan. 16, 2013, at Greensville Correctional Center in Jarratt. Condemned Virginia inmates can choose between lethal injection and electrocution, and Gleason is the first inmate to choose electrocution since 2010. (AP Photo/Virginia Department of Corrections) (The Associated Press)
FILE In this Thursday Sept. 23, 2010 file photo prison guards mill outside the entrance to the Greensville Correctional Center in Jarratt, Va. Robert Gleason Jr. is scheduled to be executed at 9 p.m., Wednesday, Jan. 16, 2013 at the prison. (AP Photo/Steve Helber) (The Associated Press)
JARRATT, Va. – A man who strangled his prison cellmate and made good on a vow to continue killing if he wasn't executed has been put to death in Virginia's electric chair.
Robert Gleason Jr. was pronounced dead by authorities at 9:08 p.m. Wednesday at the Greensville Correctional Center.
The 42-year-old inmate was the first executed in the U.S. this year and the first to choose to die by electrocution since 2010. In Virginia and nine other states, inmates can choose between electrocution and lethal injection.
Gleason had fought last-minute attempts by former attorneys to stop the execution. He told The Associated Press he deserved to die for what he did.
Gleason was serving life in prison for a 2007 murder when he killed his cellmate in 2009. He strangled another inmate in 2010.