DOJ’s Inspector General just released its unclassified summary of its classified report on FBI’s use of Pen Register/Trap and Trace authority. It is rather thin, just 5 pages long. It explains what it is in the secret report. We described the different types of pen registers that were used and the variety of information that … Continue reading DOJ IG: FBI’s Secret Applications of PRTT Are Even More Secret than Its Secret Applications of Section 215