According to those closest to LBJ, including Bobby Baker, LBJ was responsible for at least 8 murders, including JFK and his own sister. Multiple authors have reported the same things. Don't forget that the Russians investigated the assassination for nearly two years and concluded that LBJ was the prime suspect. Johnson's behavior on 11/22/63 is worth a book by itself. Why did LBJ harass JFK to insist his arch enemy Yarborough ride in the president's car for the Dallas motorcade instead of his best friend Connnally? Is this a possible indication of foreknowledge?
The cover up seems to have begun very quickly. LBJ commandeered Air Force 1 immediately and insisted on being sworn in on the plane, even though he was already president. I don't know how much he influenced the autopsy, but there are so many outrageous reports about what happened at Bethesda, the mind boggles. Also, it seems rather suspicious that Johnson called Parkland Hospital trying to get a death bed confession from the attending surgeons trying to save LHO.
Johnson was facing prosecution and was likely to be dumped from the '64 ticket. His political career depended upon JFK's removal. Johnson certainly did everything he could to cover up the conspiracy that killed JFK. His pal Hoover is also one of the most evil characters in American history and his cover up for the real killers should be clearly illustrated for the history books. He was the perfect accomplice to cover up the assassination. Fortunately, we are getting more answers due to the diligence of independent researchers. Who had more to gain from JFK's death than LBJ?