What inspires young men like Adam Lanza to commit their unspeakable crimes? Dr. Oz talks to Dr. Drew Pinsky and an FBI profiler reveal what science tells us about their minds. Plus, what we can do to prevent future tragedies.

Read Dr. Oz's blog about coping with post-traumatic stress disorder.

Want to know how to look marvelous without splurging so much? Dr. Oz invites three beauty experts to share the smartest ways to save money while looking fabulous starting from your hair and makeup tools to the beauty products you use.