This serial killer taunted the police and the press with his letters half a century ago but was never caught. Today, exclusive details and insights from investigators who believe that DNA technology may finally identify the Zodiac Killer. Plus, a pharmacist whose error cost a 2-year-old girl her life comes face-to-face with the victim’s father.

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.