Barely heard above the gunfire, something broke behind him, and Chase spun, dropping to one knee and bringing his gun to bear. Two men were there, panic on their faces. One carried a submachine gun, the other some kind of double-barreled shotgun. The one with the shotgun made the mistake of raising it slightly, and Chase fired. The burst tore into him, knocking the man back flailing into the room from which the pair had just come. The other froze.