The Guantanamo tribunal system was preparing today for its first trial under President Barack Obama.

LAWYERS for a Canadian prisoner at Guantanamo Bay released excerpts of videotaped interrogations yesterday, providing a first-ever glimpse into the secretive world of questioning enemy combatants at the isolated US prison in Cuba.

The US military has filed murder charges against Omar Khadr, a Canadian who was a teenager when he was captured in Afghanistan and sent to the Guantanamo Bay prison in 2002.