The Amazing Spider-Man #155 (1976)
“Whodunit!”
Rating: 2/5
Writer: Len Wein
Artist: Sal Buscema
1st appearance Leroy Tallon. Spider-man attempts to solve the mystery of who murdered Dr. Armstrong Smith, designer of the Worldwide Habitual Offenders W.H.O. computer. The killer is revealed to be the computer itself.