In letter, 35 House Democrats demand FBI, DEA, CBP, and National Guard to stop spying on protesters with tech such as drones, facial recognition, and Stingrays (Corinne Reichert/CNET)

Corinne Reichert / CNET:
In letter, 35 House Democrats demand FBI, DEA, CBP, and National Guard to stop spying on protesters with tech such as drones, facial recognition, and Stingrays  —  A letter signed by 35 Democratic members of the House of Representatives and published Tuesday has asked several federal agencies …