DAGUPAN CITY: Officers and members of the non-government watchdog Citizens’ Movement Against Corruption, Crime, Illegal Drugs and Gambling Inc. headed by Prof. Salvador Singson-de Guzman on Tuesday, December 29, 2020, came to the defense of Quezon Fourth District Rep. Angelina Tan, saying they are 100 percent sure and believe that Tan is not involved in any graft and corruption in the Department of Public Works and Highways (DPWH).