Various corruption cases which occurred in several law enforcement agencies were the background of this research. Those cases had received a wide attention from the public especially the bribing case of Urip Tri Gunawan as the public prosecutor by Artalyta Suryani. This research focused its attention toward the vulnerability of the Attorney General Office toward corruption. The problem analysis using triangle theory which used as analyzing tools has three main element: offender, suitable target and uncapable guardian. This research used a qualitative method which put forth by doing interview, observation and collecting secondary data. The findings was that the Attorney General Office vulnerability toward corruption link with its internal control which in turn caused the Attorney General Office to be a suitable target and also uncapable guardian.