Brazilian media quoted police as saying the driver told them he had an epileptic seizure when he plowed into the Copacabana Beach boardwalk.
Bill Cosby faces retrial in April on charges he drugged and sexually assaulted Andrea Constand in 2004.
Prosecutors said they would focus their efforts on 59 remaining defendants who they alleged were the ringleaders of the violence on Jan. 20, 2017.
White supremacists and other far-right groups committed the majority of extremist-related murders in the United States last year, according to a new report by the Anti-Defamation League.
USA Gymnastics says athletes won't have to train at the Karolyi Ranch, where some gymnasts say they were molested by doctor Larry Nassar.