. >> reporter: standing with her fellow champions jamie dantcher and jessica howard, saying that cultureed an environment that allowed their team doctor larry nasser to sexually abuse them, and many others. >> i trusted usa gymnastics. but i was sexually abused, as were so many other athletes. >> dr. nasser abused me at the national training center in texas. worse, he abused me in my hotel room at sydney, the olympic games. >> reporter: nasser was the head physician for team usa gymnastics for 19 years. you can see him here after carrie injured her ankle in the 1996. >> dr. nasser acted as the good guy, supporting me emotionally and promising relief from the pain. now i know he expertly abused me under the guise of treatment. >> reporter: the three former gymnasts shared their very personal stories with the senate judiciary committee to support landmark legislation that would help protect young athletes from sexual predators. >> protecting all children in sports from abuse is paramount importance. that is why this bill is so vital. >> reporter: dr. nasser has denied these allegations of