Former New England Patriots football player Aaron Hernandez arrives in the courtroom at Bristol County Superior Court in Fall River, Massachusetts April 1, 2015. Hernandez is accused of the murder of Odin Lloyd in June 2013. REUTERS/Brian Snyder

2016 Rio Olympics - Artistic Gymnastics - Final - Men's Parallel Bars Final - Rio Olympic Arena - Rio de Janeiro, Brazil - 16/08/2016. You Hao (CHN) of China falls. REUTERS/Mike Blake

Prosecution witness Alexander Bradley is questioned by the prosecution without the jury present at the murder trial of former New England Patriots football player Aaron Hernandez at Bristol County Superior Court in Fall River, Massachusetts April 1, 2015. REUTERS/Brian Snyder

Former New England Patriots football player Aaron Hernandez (L) and his attorney Charles Rankin listen as prosecution witness Alexander Bradley is questioned by the prosecution without the jury present at Bristol County Superior Court in Fall River, Massachusetts April 1, 2015. REUTERS/Brian Snyder

2016 Rio Olympics - Artistic Gymnastics - Final - Women's Floor Final - Rio Olympic Arena - Rio de Janeiro, Brazil - 16/08/2016. Amy Tinkler (GBR) of Britain competes. REUTERS/Ruben Sprich

2016 Rio Olympics - Artistic Gymnastics - Final - Women's Floor Final - Rio Olympic Arena - Rio de Janeiro, Brazil - 16/08/2016. Alexandra Raisman (USA) of USA (Aly Raisman) competes. REUTERS/Ruben Sprich

2016 Rio Olympics - Artistic Gymnastics - Final - Women's Floor Final - Rio Olympic Arena - Rio de Janeiro, Brazil - 16/08/2016. Amy Tinkler (GBR) of Britain competes. REUTERS/Mike Blake

2016 Rio Olympics - Artistic Gymnastics - Final - Men's Parallel Bars Final - Rio Olympic Arena - Rio de Janeiro, Brazil - 16/08/2016. Deng Shudi (CHN) of China competes. REUTERS/Mike Blake