On this day 1973

also

The American Indian Movement (AIM) occupiers of Wounded Knee, South Dakota, released the 11 hostages that they had taken two days earlier, but continued their standoff and seizure of the Bureau of Indian Affairs building.[6] On March 10, agents of the U.S. Department of Justice ended their blockade of the town and AIM activists left the trenches that they had dug in preparation for a fight, but the cease-fire ended the next day when an FBI agent, Curtis Fitzgerald, was shot and wounded by an AIM sniper

the movie Thunderheart depicts some of this
Val Kilmer and Sam Shepherd really brought it to this movie
Sam Shepherd had one heckuva life