President Ronald Reagan’s Executive Order 12333, issued on December 4, 1981, amends [according to the National Archive] EO 11905 in Part 2.11 by removing the word political before assassination: “No person employed by or acting on behalf of the United States Government shall engage in, or conspire to engage in, assassination.”
– Ronald Reagan’s Executive Order, “Executive Order 12333 – United States intelligence activities,” National Archives, Accessed on 9/22/2016