12min 40 s when Steve is confessing to police he said the 3 soldiers ran off after the girl (jenny). But as they were guarding the party which was their sole job that left the party unguarded which was their primary if not sole job. . They had no reason to chase jenny once they had scared her from the party. They would know this from arming training it could be a diversion. If anyone where to go it should have been only 1 .