In the fourth and final interview session, conducted on June 6, 1990, Lezak continues to discuss his service as U.S. attorney for Oregon. He talks about U.S. District Court judges, including Robert Belloni, William G. East, and Ted Goodwin. He speaks at length about a situation involving Oregon Journal reporter Jim Bonet. He then briefly talks about Mallory Walker, the first Black assistant U.S. attorney. He also speaks about his staff and law clerks, particularly Kristen Olson, who later became U.S. attorney. He shares his memories of the Saturday Night Massacre, when President Richard Nixon attempted to fire the special prosecutor investigating the Watergate scandal. He then discusses the American Indian Movement in Oregon, including relations with the Warm Springs tribe. Lezak discusses his resignation in 1982 in response to the policies of the Reagan administration. He closes the interview by talking about his activities since leaving office, including his career as a mediator.