Ira Einhorn
American murderer (1940-2020) · United States · On the map · Died at 79
Ira Samuel Einhorn, known as "The Unicorn Killer", was an American environmental activist and murderer. His moniker, "the Unicorn", was derived from his surname; Einhorn means "unicorn" in German. As an environmental activist, Einhorn was a speaker at the first Earth Day event in Philadelphia in 1970.
Ira Einhorn is read about 207 times a day, in 13 languages.
A typical day, 30 days to 17 August 2026
The middle day of the days counted, so one week of news cannot move it. The line under it is the last 60 days, one point a day.
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About this person
On September 9, 1977, Einhorn's ex-girlfriend Holly Maddux disappeared following a trip to collect her belongings from the apartment she and Einhorn had shared in Philadelphia, Pennsylvania. Eighteen months later, police found her partially decomposed body in a trunk in Einhorn's closet.