No one caught it. VERY slick operation, doubtless planned to the nines prior to deployment. He "just happened" to have recording equipment going? He "just happened" to be -- a 19 yr old kid -- able to act as if exquisitely coached, with the "right" reply to every possible statement right at the tip of his tongue? He "just happened" to say the Magic Word to set it all in action?
I'll be that thirty seconds into this game, even the cop forgot that the kid said he was high! The reason I suspect this? Because NONE of the police raised it as an issue! This kid must have had their heads spinning.
I would not be surprised if the kid was "wired" in both directions. There are near-invisible earpieces, really tiny, subminiature wireless jobs. he could have been prompted every step of the way, by a pack of ACLU lawyers sitting in a car a mile down the road.
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It did seem odd to me that he had the camera rolling before he "saw" the roadblock.
Cops are allowed to conduct sting operations against the citizenry. Surely they can have no objection whatsoever to having the favor returned? After all, if the police are obeying the law, they have nothing to fear, right?