I believe we need a law to force the FBI to record their interviews. They've lied too many times, for too long and once again they get caught lying here. Also, we should make it a crime for an FBI agent to lie to a citizen. It's a crime to lie to a federal agent, it should be a crime the other way around too.
If all of the information in the interview comes from the witness, the FBI should have no problem with the witness videotaping the deposition for safekeeping. I'd also force them to get a judge to order me to surrender a tape before I made my own copy of any surveilence/security cam footage.