The Claresholm highway shooting was a murder–suicide that occurred on December 15, 2011, on Alberta Highway 2, just north of Claresholm, Alberta, Canada. The suspect, 21-year-old Derek Jensen, killed three people with a Heckler & Koch 9mm handgun, before killing himself. Jensen killed his ex-girlfriend, Tabitha Stepple, and two men she was travelling with, who were part of the Lethbridge Bulls baseball team.