There are several threads about this earlier today. The device is actually a flashlight.
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If its a flashlight then who is the guy? If he’s not a dr, then who was this guy
who went behind hillary to tell her, “just keep talking, just keep talking”.
SS agents don’t do that.
Thanks to uncbob, the video is here:
https://gfycat.com/OddUnitedAmericanratsnake
You can click on the screen to stop and start the video.
The agent shifts the device to his left hand, then the light hits the left arm of the guy in the dark gray suit, just above his elbow. Right before the video repeats.