NEW : Plea bargain includes an eight - year prison sentence , it says . Omar Khadr , Canadian , convicted of throwing a grenade that killed a Special Forces medic in 2002 . He was born in Canada , which held sway over his plea . It 's the first Guantanamo military commission of the Obama era .
NEW : Plea deal includes an eight-year prison sentence , source says . Omar Khadr , 24 , accused of throwing a grenade that killed a Special Forces medic in 2002 . Khadr was born in Canada , which held negotiations over his plea . It 's the first Guantanamo military commission of the Obama era .