How challenging is Sushant death case for CBI?

Watch this report to know how the case of actor Sushant Singh Rajput's death is going to be a difficult one to crack for CBI and the challenges they have to face in their probe.

The Special Investigation Team of the CBI probing the case on Saturday reached the Bandra flat of the actor, where he was found dead on June 14, along with the forensic team, Sushant's flatmate Siddharth Pithani, cook Neeraj and others.