There is no evidence to suggest this is happening in reality. Where it did happen was Sicario: Day of the Soldado.

Border agents are now being told to hunt for any instances where they have found duct tape or prayer rugs in the desert. The efforts of U.S. border agents are to provide evidence that occurred in a movie. It's as if Trump saw Red Dawn and decided to dispatch troops to the border to stop Cubans from invading the United States.
This is bat-guano crazy.