Rapid Fear (2004)

After nearly pulling off a heist, bank robber James (Peter Kent) is captured and sent to prison. Ten years later, he's given a chance at early parole in exchange for leading a group of teenage criminals on a rafting trip. But as they make their way through the wild, James and the teens realize someone's out to kill them. The increasingly dire situation causes the kids to freak out, and they soon begin to rebel against their older leader