When president nixon finally turned over all the watergate tapes to the special prosecutor, the tapes

The tapes had an 18 minute and 30-second gap. The missing content from the recording remains unknown, but the gap occurs during a conversation between Nixon and H. R. Haldeman.

Rose Mary Woods, Nixon's secretary, took responsibility for a supposed mishap. Later, a forensic investigation in 2003 concluded that the tape had been erased in different segments, possibly as many as nine.

congress also has implied powers, which derive from the necessary and proper clause of the constitution and permit congress "to make all laws which shall be necessary and proper for carrying into execution the foregoing powers, and all other powers vested by this constitution in the government of the united states.