From the JFK assassination research site, Kennedy and King.
Two part series written by John Washburn.
"Even Commission lawyers Burt Griffin and Leon Hubert had suspicions about the tall tales of Larry Crafrard and, among other things, his incredible journey from Dallas to Michigan."
Part 1
"This article focuses on Curtis LaVerne “Larry” Crafard. Crafard had worked for Jack Ruby from mid-October 1963 at the Carousel and Vegas clubs. Ruby purportedly recruited him from a fairground."
https://www.kennedysandking.com/john-f-kennedy-articles/larry-crafard-the-leads-the-warren-commission-lost
Part 2
"Crafard, when interviewed by the FBI on November 29, 1963, claimed he was sleeping at the Carousel Club during Kennedy's assassination on November 22. He stated he overslept and was awakened by a phone call from Armstrong at 11:30 am and then again in person between 12:30 and 12:45 pm."
https://www.kennedysandking.com/john-f-kennedy-articles/larry-crafard-the-leads-the-warren-commission-lost-part-2
