The Duke of Cambridge today paid tribute to hero policeman Matt Ratana who was tragically shot and killed in the line of duty. Sergeant Ratana, 54, died after being shot by a handcuffed suspect at Croydon Custody Centre in south London as he prepared to search the man. On Wednesday Prince William joined Metropolitan Police Commissioner Cressida Dick at the custody centre where Sgt Ratana lost his life. He met a number of the New Zealand-born.