Cop killer communicates to court with hospital whiteboard

An alleged gunman accused of shooting dead a Met Police officer in a custody centre confirmed his name and date of birth using whiteboard as he appeared in court from a secure hospital ward. Sgt Matt Ratana, 54, died from a gunshot wound to the chest after Louis De Zoysa, 25, allegedly smuggled a revolver into the Windmill Custody Centre in Croydon, south London. The New Zealand-born officer was just two months away from retiring when he was gunned down…