When the National Guard and police go to the reservation to arrest Billy Jack, the police officer says they are there by order of the Arizona governor. Only the U.S Department of Justice has the authority to order the National Guard or outside police services onto a reservation. The order would have to come from Washington D.C., and only federal agents may enter the reservation to make an arrest.

The US Army troops have non-regulation 1970s long sideburns and hair.

In one scene, the Freedom School kids watch a Freedom School TV interview with Posner on a television atop a tower of equipment. In one shot, when the camera pans, the interview footage moves completely off the TV set, into another part of the shot, then back onto the static-filled TV screen. The interview footage was grafted onto the larger image.