New gun charges brought against Sgt Ratana’s accused killer

The alleged gunman accused of shooting dead Police Sergeant Matt Ratana inside a custody suite has been charged with more firearms offences. Sgt Ratana, 54, died from a gunshot wound to the chest after handcuffed suspect Louis De Zoysa, 24, 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 in the early hours of 25 September last year. De Zoysa allegedly…