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"Prior to the Snowden leaks but after Pfc. Bradley Manning gave classified information to WikiLeaks, the Obama administration launched the Insider Threat program
to combat leaks, in part by asking coworkers to keep a close eye on
their fellow employees. The program also ordered more protections for
those who use proper channels, but four national security whistleblowers have said
that they became targets of Justice Department investigations after
bringing concerns to the Department of Defense Inspector General."