Jo Rogers and her two daughters disappeared after taking their first vacation together.. Tragically it would be their last.Their bodies were later discovered floating in Tampa Bay with all signs horrifically pointing to the probability they’d been thrown overboard alive - bound and weighed down with cinder blocks.It would be a crime that would go unsolved for three years. That's until a group of determined cold case investigators decided to take another look at the case - a case that would make it to the famous TV show "Unsolved Mysteries", and onto billboards, all in a desperate attempt to track down a man they suspected was a serial killer.