You're confusing IR and UV. The people in the video are scaring themselves with a UV blacklight, not an IR source.
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Replying to @Comparativist
I don't think you can dump hundreds of kg of material out of a helicopter and crop dust a group of thousands without it being quite obvious.
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Replying to @Pinboard @Comparativist
like you said
@Pinboard possible it could be laundry detergent. but whatever that stuff is, it's apparently on the ground too.pic.twitter.com/5bbE1Caksh
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Replying to @aletweetsnews @Comparativist
Yeah, I don't doubt it. My point is lots of stuff shines brightly in UV, so people should not jump to conclusions when they shine a black light on their clothing and skin.
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This same reasoning (that detergent and other ubiquitous household substances shine in UV) explains why the police might not use a fluorescent marker (leaving aside the question of why you'd dump it on a *legal* assembly), but I am sure this rumor will now be ineradicable
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I can think of many other ways to identify protesters. Also why? This whole thing makes no sense to me—But it’s an indication of how the lack of trust is manifesting itself. I was at the rally. Quite uneventful and probably not a high priority for the police.
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It doesn't really matter, as the rumor will now be more indelible than the hypothetical dye. I do find it remarkable that a police force that can't catch 5K people on an isolated road is supposed to be pulling off this sophisticated piece of aviation psy-ops, but that's just me
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