7/26: Video catches final hours of John Houser, La. theater gunman; Swimming helps autistic teen

Exclusive surveillance shows final moments of Lafayette movie theater gunman, John Houser, at a local motel. David Begnaud reports; Charles Cobbert was diagnosed with Autism at the age of 3 and at age 17, he is competing in the swimming nationals. Meg Oliver reports on how the repetitive aerobic activity helps to reduce the autistic behavior.