Yes, during the Nixon presidency, investigative journalism played a crucial role in uncovering the Watergate scandal, which ultimately led to President Richard Nixon's resignation on August 8, 1974. The scandal began with a break-in at the Democratic National Committee headquarters at the Watergate office complex in Washington D.C. in June 1972, but it quickly evolved into a complex web of political corruption and abuse of power.
Journalists Bob Woodward and Carl Bernstein of The Washington Post were instrumental in investigating the scandal. Their reporting revealed connections between the break-in, the Nixon administration, and subsequent efforts to cover it up. The credible evidence and stories they reported helped to raise public awareness and skepticism towards the administration.
As more information came to light, including secret recordings of conversations in the Oval Office that revealed Nixon's involvement in the cover-up, pressure mounted for him to resign. Eventually, facing the inevitability of impeachment and loss of support, Nixon decided to resign, making him the first U.S. president to do so. The Watergate scandal had lasting effects on American politics, including increased scrutiny of government officials and a more critical press.