'Five bullets with a silencer' - How was an IRGC officer assassinated?
IRGC Colonel Hassan Sayyad Khodayari was shot and killed near his home by unknown assailants.
Members of the Iranian revolutionary guard march during a parade to commemorate the anniversary of the Iran-Iraq war (1980-88), in Tehran September 22, 2011. (photo credit: REUTERS/STRINGER)ByROMAN MEITAVUpdated: