Inspector General Says F.B.I. Botched Nassar Abuse Investigation

A report found that Lawrence G. Nassar was able to sexually abuse more victims because the F.B.I. was delayed in investigating complaints against him.Credit...Cory Morse/The Grand Rapids Press, via Associated PressThe Justice Department’s inspector general released a long-awaited report on Wednesday that found crucial errors in the F.B.I.’s handling of the sexual abuse case involving Lawrence G. Nassar, the former U.S.A. Gymnastics national team and Michigan State sports doctor, which led to Mr. Nassar’s continued abuse of girls and women.

Mr. Nassar, who is serving what amounts to life in prison, has been accused of abusing hundreds of female patients — including the Olympic champion Simone…