The Senate Judiciary Committee will hear the testimony of four gymnasts from the Senate on Wednesday. elite - Simone Biles, McKayla Maroney, Maggie Nichols and Aly Raisman - who say they were abused by Larry Nassar, the former US gymnastics team doctor who is currently serving a decades-long prison sentence . The hearing examines how the FBI mismanaged its investigation into Nassar's allegations, which first came to the agency in July 2015. Several protocol violations resulted in months of delay, as captured in scathing Justice Department Inspector General report released in July. As the federal investigation dragged on, Nassar abused dozens of victims, according to the report. 'Inspector General. FBI Larry Nassar 's failed investigation is a another black eye for the agency Anger at Nassar has united lawmakers on both sides as the FBI failure investigation enjoys bipartisan support. Lawmakers also walked through the alley in su pport of legislation that seeks to hold universities accountable for failing to protect students from sexual abuse. In addition, there is frustration thatThe Justice Department refused to prosecute the two FBI officials singled out in the IG report for alleged false statements. We believe an explanation is due to the critically injured athletes and the American public, Sens. Richard Blumenthal of Connecticut and Dianne Feinstein of California, both Democrats on the Judiciary Committee, wrote in a recent letter to Justice Department officials expressing deep concern over the lack of prosecution. The Washington Post reported on Tuesday that the FBI has fired an agent who is accused of failing to initiate a proper investigation into Nassar. Agent Michael Langeman, lost her job last week, two people familiar with the matter told The Post. Langeman was a supervisory special agent atFBI office in Indianapolis and interviewed Maroney in 2015 about his allegations of sexual abuse against Nassar. Paul LeBlanc of CNN contributed to this report.