Former Bangkok police chief Kamronwit Thoopkrachang, arrested for illegal possession of a handgun and ammunition in Japan last month, has been released. Inset: the gun that apparently passed through the CTX airport luggage scanning device undetected Criminal charges will be waiting for former Bangkok police chief Kamronwit Thoopkrachang this afternoon when he arrives back in Thailand at 3:30pm after a stint in a Japanese prison.