In just her second elite meet following a two-year hiatus, Biles, 26, won a record eighth U.S. all-around title and became the oldest gymnast to win the championship.
Biles, the decorated American gymnast, is making her return to elite competition on Saturday at the U.S. Classic. The field also includes Sunisa Lee, the reigning Olympic all-around champion.
The plaintiffs say Lawrence Nassar abused them after the bureau failed to act. The suits come after the Justice Department declined to prosecute the agents accused of bungling the inquiry.