Comment: You might be right that it's not the person in the light shirt..

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In reply to comment: I watched this video 5 times (see in situ)

You might be right that it's not the person in the light shirt..

...planting anything, because the person in the light shirt has a gold watch on and you can see their hand on Adam's upper left arm from 36sec, and it REMAINS up there thru around 47sec when the person in dark shirt had already pulled their groping hand back seconds before from the bottom of Adams jacket.

At 36sec, you can see the hands from BOTH people on Adam (the hand of the person in the light shirt grasping Adam's upper arm AND the hand from the guy in the dark shirt trying to reach underneath Adam's jacket). But Mr. Hands in the dark shirt pulled away from messing around under Adam's jacket at around 43sec, and the hand of the person in the light shirt was still on Adam's upper arm for a few seconds.

So it looks like you're right that the cop in the light shirt wasn't the one planting or messing around underneath Adam's jacket.