The agents, who had obtained a classified search warrant, took Tamm's desktop computer, two laptops belonging to his children and some of Tamm's personal files, said Newsweek, which granted anonymity to the two sources because they did not want to be identified talking about an open case.
Tamm left the department last year. He had worked in the department's Office of Intelligence Policy and Review, a secretive unit that oversees surveillance of terrorist and espionage targets, according to Newsweek.
We need to actively pursue anyone who exposes programs like these. Our security depends on the information gathered by programs like this.