Watergate Evidence includes the solutions 'TAPES' (5 letters), 'TAPE' (4 letters), and 'REDHOTTAPE' (10 letters). TAPES were used to record conversations in the White House during the Watergate scandal, which was a political scandal that took place in the United States in the 1970s. The TAPES were recorded on reel-to-reel audio TAPE, and the term 'REDHOTTAPE' refers to the fact that the TAPES were marked with red labels to indicate that they were of a sensitive nature.