A nightclub owner and member of the Teamsters Union with ties to organized crime, Ruby has been described as a man in great debt who was always desperate for attention. His exact motive for killing Oswald, however, has never been made clear. The string of deaths surrounding the assassination of John F. Kennedy have led many to wonder what the motive was and who else might be involved,, inspiring many elaborate theories regarding a complicated cover-up surrounding the president’s murder.