A Pennsylvania mother faces double homicide charges after allegedly stabbing her husband and three-year-old son to death during an extended vacation at the Great Wolf Lodge resort in the Poconos. In Florida, charges against a man accused of shooting his girlfriend and running her over with his SUV while his young daughter was in the car have been upgraded to first-degree murder following the victim's death. And in Tennessee, a mother is facing multiple felony charges after allegedly driving intoxicated off a twenty-five-foot cliff with her two young children in the vehicle. Sydney Silvagni reports.