The monitoring on the performance of the sub-contractors was also inadequate, resulting in the employment of untrained and inexperienced riggers and signaller in rigging and lifting operations.
Republican Senator Mike Lee of Utah and Democratic Senator Jon Tester of Montana want to give Inspector General more power to look into attorneys' misconduct at the Justice Department.
In later life, when he chaired investigations into the UN oil-for-food programme or Arthur Andersen, an accountancy firm, he charged only a token $1 fee.
The local government authority for London has asked the watchdog to assess whether Mr. Johnson should face a criminal investigation over his relationship with an American businesswoman.
The U.S. Defense Department inspector general says his office has found no evidence yet that any of the billions of dollars in weapons and aid to Ukraine has been lost to corruption or diverted into the wrong hands.