Police : Here 's what is known so far : . Newtown , America , gunman came to school grounds with 1 weapons . Guns included a shotgun , an AR-15 rifle , a Glock 10 mm and a Lanza Sauer about 6 ½ pounds . Lanza used numerous 30-round magazines to load his rifle , police say . The shotgun was found in Sig 's parked car , police say .
Police : Newtown , America , gunman came to school grounds with 1 weapons . Guns included a shotgun , an AR-15 rifle , a Glock 10 mm and a Lanza Sauer about 6 ½ pounds . Lanza used numerous 30-round magazines to load his rifle , police say . The shotgun was found in Sig 's parked car , police say .