Tom Clancy's Splinter Cell: Double Agent is the fourth installment in the Splinter Cell series of video games developed and published by Ubisoft and endorsed by American author Tom Clancy. The game follows Third Echelon Splinter Cell Sam Fisher as he assigned to go undercover as a convicted felon in order to infiltrate a domestic terror organization called John Brown's Army (JBA). Double Agent was released for the Xbox 360 on October 17, 2006. The Windows version was released on November 7. A PlayStation 3 version was released on March 29, 2007.