Japan's Crown Prince Naruhito and Crown Princess Masako make an appearance before Japanese athletes during a team-forming ceremony ahead of the Japanese team's departure to the Rio 2016 Olympic Games, in Tokyo, Japan July 3, 2016. REUTERS/Issei Kato

Boxes containing U.S. currency seized during a raid in the Los Angeles Fashion District are seen in an undated handout photo released by the U.S. Department of Justice September 10, 2014. REUTERS/U.S. Department of Justice/Handout

Boxes containing U.S. currency seized during a raid in the Los Angeles Fashion District are seen in an undated handout photo released by the U.S. Department of Justice September 10, 2014. REUTERS/U.S. Department of Justice/Handout

2016 Rio Olympics - Swimming - Victory Ceremony - Men's 4 x 200m Freestyle Relay victory Ceremony - Olympic Aquatics Stadium - Rio de Janeiro, Brazil - 09/08/2016. Michael Phelps (USA) Conor Dwyer (USA) Townley Haas (USA) and Ryan Lochte (USA) of USA pose with their gold medals REUTERS/Michael Dalder

Rio Olympics - Swimming - Final - Men's 200m Butterfly Final - Olympic Aquatics Stadium - Rio de Janeiro, Brazil - 09/08/2016. Michael Phelps (USA) of USA celebrates winning the gold medal. REUTERS/Stefan Wermuth

2016 Rio Olympics - Swimming - Final - Women's 200m Freestyle Final - Olympic Aquatics Stadium - Rio de Janeiro, Brazil - 09/08/2016. Katie Ledecky (USA) of USA and Sarah Sjostrom (SWE) of Sweden celebrate REUTERS/Michael Dalder

2016 Rio Olympics - Swimming - Final - Men's 4 x 200m Freestyle Relay Final - Olympic Aquatics Stadium - Rio de Janeiro, Brazil - 09/08/2016. Michael Phelps (USA) of USA, Conor Dwyer (USA) of USA, Townley Haas (USA) of USA and Ryan Lochte (USA) of USA hug after they won the gold medal. REUTERS/Laszlo Balogh

2016 Rio Olympics - Swimming - Victory Ceremony - Women's 200m Freestyle Victory Ceremony - Olympic Aquatics Stadium - Rio de Janeiro, Brazil - 09/08/2016. Katie Ledecky (USA) of USA poses with her gold medal REUTERS/David Gray