Read more: Banco Nacional confirms missing ¢3.3 billion in cash! The Prosecutor’s Office maintains that the former treasurer took advantage of alleged lapses in internal controls to remove millions of colones from the vaults. In addition to the Prosecutor’s Office, the Attorney General’s Office and the Banco Nacional, the institution claiming the allegedly embezzled funds, are participating as prosecuting parties in the case. Failures in Banco Nacional ControlsThe investigation also revealed alleged weaknesses in the Banco Nacional’s internal oversight mechanisms. Read more: Banco Nacional just can’t seem to stop theft from withinIn addition to Olivas, other individuals were included in separate investigations for possible omissions, dereliction of duty, or cover-up.