Rio Olympics: Inside Brazil’s Massive Security Operation02:03
With half a million visitors and thousands of athletes to protect, Brazil is taking no chances. NBC’s Miguel Almaguer tours Rio de Janeiro's security operations in the air, sea and on the ground.
Emotional Ryan Lochte to Matt Lauer: 'I Let My Team Down'00:52
Ryan Lochte Calls His Behavior in Rio 'Immature' in NBC News Exclusive02:56
Ryan Lochte Apologizes While Lamenting Circumstances of Rio Incident02:00
Ryan Lochte cost himself ‘millions and millions’ in scandal, Bob Costas says02:06
Lochtegate swimmer Jimmy Feigen to donate $11,000 to leave Rio; USOC apologizes04:21
Swimmers Conger and Bentz Leave Brazil00:45