be a foreign spy and got permission to spy on him, and then even though no criminal evidence was ever found against him of any kind, government agents smeared page with leaks to the media. it was an attack on page's basicdi rights. americans deserve to know how it happened. if it happened to him, it could happen to you. fox chief intelligence correspondent catherine herridge with yet another exclusive prime time report tonight. >> former fbi and justice department officials tell fox the carter page fisa warrant had the potential to sweep up the communications of other trump campaign aids. using what's known in intelligence circles as hops. >> once you get that first warrant, that, in turn, will alert to you other people beyond your target. you can then sometimes get their communication. >> granted by the national security court, the operate washington courthouse a fisa warrant allows the collection of an american citizen's emails, phone calls and text messages. think of it like a web of communications with carter