Following Kennedy's assassination in 1963, Sahl's interest in who was responsible was so great that he became a deputized member of New Orleans District Attorney Jim Garrison's team to investigate the assassination. As a result, Sahl's comedy would often reflect his politics and included readings and commentary about the Warren Commission Report, of which he consistently disputed the accuracy. He alienated much of his audience, was effectively blacklisted and more of his planned shows were cancelled. His income dropped from $1 million to $19,000 by 1964.[citation needed] According to Nachman, the excessive focus on the Kennedy assassination details was Sahl's undoing and wrecked his career. Sahl later admitted that "there's never been anything that had a stronger impact on my life than this issue," but added that he nonetheless "thought it was a wonderful quest.