89: The Doodler Killer: Unidentified Serial Killer Who Sketched His Victims On Napkins Before Stabbing Them
From 1974 to1975, the Doodler became the most prolific serial killers of gay men in San Francisco. He wandered into gay bars, searching for victims. He would sketch a flattering picture of his target on a cocktail napkin before luring them to a more private location where he would brutally stab them to death.