Harris and Dylan Klebold, who killed 13 people and wounded 22 others before taking their own lives Tuesday, also carried a Hi-Point 9mm semiautomatic carbine, made by MKS Supply Inc. of Dayton, Ohio.

An Intratec TEC-9 pistol similar to this one, shown at a Virginia gun shop, is among dozens of guns the city of Wichita plans to sell. BOB BIRD File photo The next gun you buy may be one that was used ...