1.   A second gunman was reported to have fired into the front row of the audience.

2.   Another white officer acknowledged that he fired at White after mistaking him for a second gunman.

3.   A man suspected of being a second gunman was arrested nearly a year ago and is awaiting trial, but the evidence against him is considered to be weak.

4.   A second gunman was never found, and may never have existed.

5.   But with public opinion almost unanimous in suspecting a plot, investigators changed their theory, arresting security agent Othon Cortes, who they said was the second gunman.

6.   Even after some of the shooting had stopped, students and teachers said they believed a second gunman was prowling the halls.

7.   Even after the shooting stopped, students and teachers said they believed a second gunman was prowling the halls.

8.   He even befriended the man suspected of being the second gunman and arranged for him to take a lie-detector test.

9.   He had issued a report questioning the original government conclusion -- since altered to include a second gunman -- that a lone madman named Mario Aburto Martinez killed Colosio.

10.   He was among those, for instance, who suggested the possibility of a second gunman nearly a year before one was arrested.