The better to face scan you, and turn off when we murder you.

Cop at side of road: *holds up his hand*
You: *brake, roll down window*
You: "Uh hi officer"
Cop: "Hi, nothing to worry about, but I just wanted to tell you that your left brake lig"
Body cam: "SUSPECT RECOGNIZED"
Cop: *covers body cam* "Sorry, sometimes it malfunctions"
Body cam in muffled voice: "SUSPECT NAME C. R. IMINAL, HIGHLY DANGEROUS SHOOT ON SIGHT, CERTAINTY INTERVAL AT LEAST 83 PERCENT"
Cop: "Sir, please step out of the car" *unholsters*
You: "I'm just on my way to pick up the kid from daycare"
Body cam: "KILL KILL KILL"