It was merciless in it's criticism of the FBI, especially the DC crime-lab which managed to get itself cited for contempt of court a number of times for losing or destroying evidence.
Much of the testimony of the agents involved was "redacted" under the Garrity ruling. As I understand it, Garrity says "Yes, you must testify against yourself in this administrative hearing, but we won't print your testimony so that nobody will know what you did."