The FBI mishandled allegations of sexual abuse against the now-convicted sex offender, former USA Gymnastics national team doctor Larry Nassar, a Justice Department watchdog concluded. Nassar, the main doctor for Olympic gymnasts, was sentenced to 60 years in prison in 2017 on federal charges of possessing child sex abuse material. He was named in hundreds of lawsuits filed by female athletes who said that Nassar sexually abused them when he worked for Michigan State and Indiana-based USA Gymnastics. In 2018, Nassar was sentenced to up to 175 years and up to 125 years in two separate Michigan courts on sexual abuse charges in Michigan. In a report released Wednesday, the Justice Department Inspector General Michael Horowitz found that the FBI had failed to respond to allegations of sexual abuse against Nassar “with the utmost seriousness and urgency that the allegations deserved and required.” FBI officials made “numerous and fundamental errors” and violated multiple FBI …