During the investigation, officers report finding a 9mm MP5 with several loaded 30-round magazines, more than an ounce of methamphetamine and a .45 caliber Kriss Vector with a 30-round drum magazine.

The high-capacity ammunition magazine a crazed gunman used to kill a rookie NYPD cop and injure another in Harlem turns the weapon into something that might be found in war-torn Afghanistan ...