A report from the Partnership for Safe Medicine and the FDA show unauthorized and potentially harmful ingredients in knockoff weight loss drugs are pouring into the U.S. from foreign sources, bypassing FDA regulations. Experts warn that unsuspecting Americans are at risk, and immediate action is needed to stop these illegal imports. To learn the warning signs of illegally imported weight loss drugs, we're talking to George Karavetsos, former director of the FDA’s Office of Criminal Investigations.