Episode Name: An Unlikely Informant, The Unknown America, King of Crossfit
Episode Overview: Anderson Cooper interviews undercover informant Michael Blutrich, one of the most effective informants ever, according to authorities; then, with over 50 percent of our nation lying underwater, huge discoveries await, says explorer Robert Ballard; and, Sharyn Alfonsi profiles Greg Glassman, creator of the CrossFit workout.
Episode Number: 33
Episode Season: 47
Episode First Aired: 2015-05-10