Being targets of NSA surveillance, as it turns out.

The National Security Agency executed a six-year secret program called "Minaret" in the 1970s that spied on a number of critics of the Vietnam War, declassified documents revealed on Thursday. 

(READ: 3 NSA Developments) 

The program was "disreputable if not outright illegal," according to the documents. President Lyndon Johnson commissioned the program as a method of determining whether the nation's anti-Vietnam protests were being sparked or fueled by foreign powers. It continued after Nixon took over as President in 1969, but U.S. Attorney General Elliot Richardson ended the program in 1973.

Read more of Neon Tommy's NSA converage here.

To contact Executive Producer Raishad Hardnett, email him or follow him on Twitter.