She’s the top cop who proved absolutely terrible when it came to sniffing out The Traitors on the BBC1 show. Amanda Collier now claims that her background as a Detective Chief Inspector in the Metropolitan Police actually made it HARDER for her to sniff out the villains in the castle. But she is thrilled that she signed up for the series - because the medical ahead of filming revealed that she was suffering from advanced heart disease, meaning that The Traitors could well have saved her life.