A team of three AIIMS doctors is helping the CBI investigate the Sushant Sigh Rajput death case.Sushant Singh Rajput was found hanging at his Mumbai home on June 14. In the last pictures of the late actor, the ligature mark appears horizontally in the middle of his neck, bruised rather than high up placed, oblique and abraded, which is common in hanging. Now, the AIIMS doctors are raising question on the suicide theory of the actor.