Federal authorities charged a man who set a woman on fire on a Chicago transit train with terrorism. Oregon mom arrested after police find her low-functioning, non-verbal 11-year-old son unsupervised in a home filled with excrement, rotting garbage, and piles of trash. A missing woman found dead in a trash can, her husband admits to putting her there nearly two years ago.  A teen driver intentionally caused a 12-car pileup up at a Las Vegas traffic light last week, killing his pregnant girlfriend and the driver of one of the other vehicles. Sydney Sumner reports.