The wanted poster portrays a .40-caliber Glock Model 22 semiautomatic pistol, serial number EKG463US, that resembles thousands of standard-issue guns owned by the Baltimore Police Department. But this particular weapon found its way out of the hands of law enforcement and into the hands of a suspected killer — an above-board but nightmarish scenario for city police. Authorities say the gun was used three years ago to shoot two young girls on a dirt road outside a... (GunPolicy.org)