Primetime Live: Life on the Line

"Florida Child Witness" An eight-year-old boy is able to survive a vicious attack by his father that leaves his mother dead, then calls 911 for help."911 Car Rescue" A woman is trapped in her car by rising flood waters and calls 911 for help."Crystal Meth" A young couple high on crystal meth are trapped in a blinding snowstorm. They leave their car and wander out into the storm, calling 911 for help."911 Technology" A father's crusade to have all states develop a systems for tracking 911 calls made from cell phones, so that emergency assistance can find them.