The investigation into Sushant Singh Rajput death case has taken a tragic turn with the emergence of drug angle from Rhea Chakraborty's deleted WhatsApp chats. In the latest development in the drug-related angle, it has been learnt that Rhea Chakraborty has reportedly confessed before the central probe agency that actress Sara Ali Khan and Rakul Preet, designer Simone Khambatta, Sushant's friend and former manager Rohini Iyer and filmmaker Mukesh Chhabra consumed narcotics substance.