Dr. Oz Helps Shark Tank's Lori Greiner Bust the Scammers The Dr. Oz Show : Season 11 Episode 71

Lori Grenier ("Shark Tank") exposes how scammers bait people with online tricks and ads; how to tell what's real and what's fake; a cybersecurity FBI agent shows how to avoid being duped; Daphne Oz and Gail Simmons serve up make-ahead holiday party recipes;