A new advertisement from the anti-Hillary Clinton super PAC American Crossroads seizes on recent comparisons between the Democratic front-runner and Richard Nixon.

Outlets and journalists from Politico to Watergate reporter Bob Woodward have mentioned the two politicians in the same vein, and the material has provided easy fodder for Clinton’s opposition. The former secretary of state was actually a member of the staff advising the House Judiciary Committee on impeachment proceedings during Nixon’s downfall.