Larry Nassar, a former team USA Gymnastics doctor who pleaded guilty in November 2017 to sexual assault charges, stands in court during his sentencing hearing in the Eaton County Court in Charlotte, Michigan, U.S., February 5, 2018.
Larry Nassar, a former team USA Gymnastics doctor who pleaded guilty in November 2017 to sexual assault charges, stands in court during his sentencing hearing in the Eaton County Court in Charlotte, Michigan, U.S., February 5, 2018. Reuters / REBECCA COOK

The U.S. Justice Department said on Thursday it will stand by its prior decision not to file criminal charges against the former FBI agents who botched the sex abuse investigation into former USA Gymnastics doctor Larry Nassar.