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The light inside is broken, but I still work. The Cadillac of online bookmarking sites. Alleged nocoiner. http://pinboard.in  maciej@ceglowski.com +1 415 610 0231

Lonely street of broken dreams
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    1. Pinboard‏ @Pinboard 2 Sep 2019
      Replying to @Pinboard @aletweetsnews @Comparativist

      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

      1 reply 0 retweets 3 likes
    2. zeynep tufekci‏Verified account @zeynep 2 Sep 2019
      Replying to @Pinboard @Comparativist @aletweetsnews

      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.

      1 reply 4 retweets 16 likes
    3. Nathan Ruser‏ @Nrg8000 2 Sep 2019
      Replying to @zeynep @Pinboard and

      You could look at some splatter pattern analysis for more info on this, from what I've seen it looks quite consistent and light with round drops which indicate a mist sort of thing but im FAR (FAR!) from an expert - but I might forward it to people who are...

      1 reply 0 retweets 1 like
    4. Nathan Ruser‏ @Nrg8000 2 Sep 2019
      Replying to @Nrg8000 @zeynep and

      https://forensic-architecture.org/investigation/herbicidal-warfare-in-gaza … This report/video might be interesting for everyone too, very different circumstances but a similar possible delivery system so maybe some insight from that. Also there are products for UV-marking in significant quantities (https://gmktp.co.uk/product/total-ir …)...

      1 reply 0 retweets 2 likes
    5. Nathan Ruser‏ @Nrg8000 2 Sep 2019
      Replying to @Nrg8000 @zeynep and

      It's normally used for anti-theft measures or counter-intelligence to detect people moving over sensitive areas. No reason that it couldn't be used to mark a large number of people, it persists for 3-7 days per manufacturer, so if we see cops with UV lights in the next few days.

      1 reply 0 retweets 3 likes
    6. zeynep tufekci‏Verified account @zeynep 2 Sep 2019
      Replying to @Nrg8000 @Pinboard and

      It makes little sense to use it on a big crowd in a permitted rally--and from a helicopter at that! If there was any motivation to do this, there are other surveillance tools. This wasn't some high-value target transporting bars of gold or secrets. Large, permitted, open rally.

      1 reply 0 retweets 2 likes
    7. Nathan Ruser‏ @Nrg8000 2 Sep 2019
      Replying to @zeynep @Pinboard and

      Yeah, which probably goes quite a way to explain why I've never seen it used in that role before. In the past few days HKPF have seemed pretty desperate to detain people without needing to front them during a protest, and crying 'unlawful assembly' for not much at all. We'll see!

      0 replies 0 retweets 0 likes
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    9. Nathan Ruser‏ @Nrg8000 3 Sep 2019
      Replying to @Comparativist @zeynep and

      Here's the input I got from a former forensic investigator, water cannon sounds more likely?pic.twitter.com/jPyc6ju6C7

      2 replies 0 retweets 6 likes
    10. Nathan Ruser‏ @Nrg8000 3 Sep 2019
      Replying to @Nrg8000 @Comparativist and

      Also as a note I didn't mention anything about water cannons in the question, just about if it's consistent with from a helicopter.

      1 reply 0 retweets 0 likes
      Pinboard‏ @Pinboard 3 Sep 2019
      Replying to @Nrg8000 @Comparativist and

      Were you at this protest in person?

      3:18 AM - 3 Sep 2019
      0 replies 0 retweets 0 likes

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