1.   He calls the lone gunman theory a fairy tale, and contends that three men shot and poisoned Kennedy, one using a gas-powered umbrella pistol.

2.   So much for the lone gunman theory.

3.   The magazine includes helpful maps of Dealey Plaza, noting locations of witnesses and important landmarks, and numerous photographs purporting to prove the multiple gunman theory.

4.   Then prosecutors went back to the lone gunman theory.

5.   Chapa also abandoned the single gunman theory in the Colosio killing, arresting a second alleged shooter.