反独裁民主戦線
Police Lieutenant General Tha-ngai Prasajaksatru, chief of the police team arresting Ampon, remarked that in the course of the inquiry, Ampon pleaded not guilty, but admitted that the exhibited mobile phones were his. He stated that he had not used them for a long time and did not know how to send a text message. Tha-ngai also said that he believes Ampon was a member of the United Front for Democracy Against Dictatorship (UDD) or Red Shirts, and that the Internal Security Operations Command has blacklisted him.