TEC-9 was the weapon used by Dylan Klebold during the Shooting. The weapon was used to murder Dave Sanders, Lauren Townsend John Tomlin, and Corey DePooter. He then used it to kill himself. Trivia This gun was produced from 1985 to 2001. This gun was also in the 1993 101 California Street shooting. Retrieved from "https://columbine.wikia.org/wiki/TEC-9?oldid=6473" Categories Weapons Community content is available under CC-BY-SA unless otherwise noted.