You may be right. These do not come off as folks to turn your back on. Low morals make it easy to take chances. Factor in hunger and cold. Not wanting to alter the story line but if they get silly, get the baby and end it. Just saying out loud what others are thinking already. Not the christian way of thinking but Christians would be the last ones to steal his fuel and supply's
There is a website called SHTF school written by a guy who lived in Yugoslavia during the last wars there. He had a post saying that if you traded too much with the same people they would eventually assume you were worth robbing and killing because you had a lot of stuff to trade.