- Ray Kelly, the former and longest-serving New York City police commissioner
- Mike Rogers, former House Intelligence Committee chairman and former FBI agent
- Former Assistant Attorney General Alice Fisher
- Rep. Trey Gowdy, R-S.C.
- Senate Majority Whip John Cornyn, R-Texas
- Paul Abbate, executive assistant director for the Criminal, Cyber, Response and Services Branch
- Former New York prosecutor Mike Garcia
- Mayor of Colorado Springs John Suthers
- Former federal appellate court Judge Michael Luttig, now executive vice president of Boeing
- Larry Thompson, former deputy attorney general under President George W. Bush
- Acting FBI Director Andrew McCabe