Question: Name the American medical doctor who was convicted in 1979 of murdering his pregnant wife and two daughters and whose story is ruminated over in a study by Janet Malcolm titled 'The Journalist and the Murderer'?
Sentence (from "Jeffrey R. MacDonald"): Jeffrey Robert MacDonald (born October 12, 1943) is an American medical doctor who was convicted in 1979 of murdering his pregnant wife and two daughters in February 1970.
Relevant evidence: Yes