The Doodler is an unidentified serial killer believed responsible for between six and sixteen murders[1][2] and three assaults of men in San Francisco, California, United States, between January 1974 and September 1975.

[8] Police questioned a young man as a murder suspect in the case, but could not proceed with criminal charges because the three surviving victims did not want to "out" themselves by testifying against him in court.

[3] Officers stated that they strongly believed that the man in question was responsible for the crimes, but he was never tried or convicted because of the survivors' refusals to appear in court.

[24][25] In February 2019, police offered a $100,000 reward for information leading to the arrest of the killer and released a revised sketch showing what he could look like four decades later.

[6] At the time, activist Harvey Milk publicly expressed empathy for the victims who refused to speak with police, stating, "I understand their position.