What is ‘pink cocaine’, the drug found in Liam Payne’s system after his death? NBC NewsWhat To Know About Liam Payne’s Death: Payne Had Multiple Drugs In System, Report Says ForbesWhat Is Pink Cocaine? Liam Payne’s Autopsy Reveals He Took the Drug Known as ‘Tusi’ Before His Death Yahoo EntertainmentLiam Payne’s Life and Legacy: From One Direction to His Final Days Us WeeklyAP: Initial toxicology results show Liam Payne had cocaine in his system when he died CNN