joining is now for the interview, tim weiner, author of three books, including "enemies."reat to see you. >> hello, rachel. >> what should we understand about the total information blockout about the todashev killing? >> the fbi is our secret police. and they do a lot of dirty, dangerous, specific jobs, like white collar criminals. but there is one job they cannot do, and have been able to do in the 100-year history, which is to police themselves. >> if a prosecutor in orlando said you know what? this has been ruled a homicide by the examiner and this happened on my watch, i want to investigate. could that happen? >> no, a giant comet will hit the earth before that happens because the fbi jurisdiction is nationwide, and trumps every case. there is only one force that is able to investigate the fbi and that is the inspector general's office at the justice department, which on the flow chart of the government is above the fbi. that is a small crew of over-worked and under-paid lawyers. they have looked into misconduct before. but not individual shootings. they will get after