the shooting that took place, the fire that started in one home then spread to a number of other homes, at least four homes were seriously damaged or destroyed here. at this hour the investigation continues, still not clear, gregg, on the minds of many this christmas eve the motive, why the gunman opened fire on the local firefighters. gregg? gregg: what a sad and inexplicable event on christmas eve. david lee mill e we'll check back with you. thank you. >> well, to another fox news alert with a better ending, a u.s. marine just making it home in time for christmas. he's been hospitalized in louisiana shortly after being released from one of mexico's most dangerous prisons. john hammer, he was jailed for months when he tried to cross the border with an antique shotgun his family says is an heirloom. here's how his mother described