American swimmers Gunnar Bentz (L) and Jack Conger leave the police station at the Rio de Janeiro International Airport after being detained on the plane that would travel back to the US.   Brazilian police arrested two US swimmers and a top International Olympic Committee official as scandal overshadowed the Rio Games and Usain Bolt's progress toward a new gold.  Jack Conger and Gunnar Bentz were taken off a flight leaving Rio de Janeiro by authorities investigating doubts over their claim to have been mugged. / AFP / TASSO MARCELO        (Photo credit should read TASSO MARCELO/AFP/Getty Images)
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