Question: The man known for trying to prove the innocence of Sirhan Sirhan in the assassination of Robert F. Kennedy is also known for defending the man entered what type of plea in his trial for the assassination of Martin Luther King?
Sentence (from "William Francis Pepper"): William Francis Pepper (born August 16, 1937) is an attorney based in New York City who is most noted for his efforts to prove government culpability and the innocence of James Earl Ray in the assassination of Martin Luther King, Jr. Dr. Pepper has also been trying to prove the innocence of Sirhan Sirhan in the assassination of Robert F. Kennedy.
Relevant evidence: Yes