Cable Splicer

Cable Splicer was a U.S. Army plan developed in the late 1960s and early 1970s designed to coordinate military response to civil disturbances, particularly in California during the era of Vietnam War protests and civil rights demonstrations. The operation was part of a broader Pentagon program called Garden Plot, which aimed to prepare the military for domestic law enforcement roles.

The plan involved extensive surveillance of civilian political activities, intelligence gathering on anti-war activists, and coordination between military and civilian law enforcement agencies. Documents revealed that the operation monitored student organizations, civil rights groups, and peace activists, maintaining files on thousands of American citizens engaged in legal political activities.

Cable Splicer included provisions for military intervention in civilian affairs that raised significant constitutional questions about the Posse Comitatus Act, which generally prohibits military involvement in domestic law enforcement. The operation's scope extended beyond immediate riot control to include comprehensive intelligence networks focused on political dissent.

Congressional investigations in the 1970s exposed the extent of military surveillance programs including Cable Splicer, leading to public outcry and reforms limiting military intelligence activities against American civilians. The Church Committee hearings revealed that such operations had systematically violated civil liberties and constitutional protections.

The exposure of Cable Splicer contributed to the passage of legislation restricting military intelligence gathering on civilians and strengthened oversight of domestic surveillance programs. The operation remains an example of how national security concerns can lead to governmental overreach and violations of constitutional rights during periods of social unrest.