It was not uncommon for celebrities to be murdered by fanatical fans or stalkers. What motives the perpetrators had for their cruel deeds, you can find out here.
These stars were killed by fans
John Lennon was shot dead by Mark David Chapman on December 8, 1980. A few hours earlier, Lennon had given him an autograph and they posed together for a photo - which was to be the singer's last. The incredible reason for the act: Mark David Chapman wanted to become famous.