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NGrossman81's profile
Nicholas Grossman
Nicholas Grossman
Nicholas Grossman
@NGrossman81

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Nicholas Grossman

@NGrossman81

International Relations prof at U. Illinois. Senior Editor @ArcDigi. Author “Drones and Terrorism.” Politics, national security, and occasional nerdery.

amazon.com/Drones-Terrori…
Joined April 2015

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    Nicholas Grossman‏ @NGrossman81 17 Aug 2017

    Early analysis of #Barcelona terrorist attack that killed at least 13. Who, why, and what it means. (THREAD) #BarcelonaTerrorAttackpic.twitter.com/cnvOt9VFrO

    3:43 PM - 17 Aug 2017
    • 17 Retweets
    • 18 Likes
    • Narval Roberta Reid #WeWarnedThem Felicia Cuesta Mena Kim Z iamcallingyouout Frenchie 🇫🇷☕⭐⭐ Andre Sharice Tenorio
    3 replies 17 retweets 18 likes
      1. New conversation
      2. Nicholas Grossman‏ @NGrossman81 17 Aug 2017
        Replying to @NGrossman81

        A van plowed into a crowd in Las Ramblas. Witnesses saw it swerve to hit as many as possible. Authorities label it terrorism. #Barcelona 2/x

        1 reply 2 retweets 4 likes
      3. Nicholas Grossman‏ @NGrossman81 17 Aug 2017
        Replying to @NGrossman81

        #ISIS claimed responsibility, but current evidence indicates a self-starter attack, rather than a professional operation. #Barcelona 3/x

        2 replies 4 retweets 3 likes
      4. Nicholas Grossman‏ @NGrossman81 17 Aug 2017
        Replying to @NGrossman81

        Vehicle attacks (Nice, Berlin, Westminster, #Charlottesville) are often individuals inspired by, rather than sent by groups. #Barcelona 4/x

        1 reply 4 retweets 3 likes
      5. Nicholas Grossman‏ @NGrossman81 17 Aug 2017
        Replying to @NGrossman81

        By contrast, professional operatives, trained and deployed by terrorist groups, often coordinate assaults, like Paris 2015. #Barcelona 5/x

        1 reply 2 retweets 3 likes
      6. Nicholas Grossman‏ @NGrossman81 17 Aug 2017
        Replying to @NGrossman81

        Explosives are another sign that an attacker is a pro, or at least linked to some, like Brussels or Manchester. #Barcelona 6/x

        2 replies 2 retweets 5 likes
      7. Nicholas Grossman‏ @NGrossman81 17 Aug 2017
        Replying to @NGrossman81

        But not always. Boston Marathon attackers were self-starters, and built their own bombs using information found online. #Barcelona 7/x

        1 reply 2 retweets 3 likes
      8. Nicholas Grossman‏ @NGrossman81 17 Aug 2017
        Replying to @NGrossman81

        #ISIS claimed #Barcelona attacker "carried out the operation in response to calls for targeting coalition states." 8/x

        1 reply 2 retweets 3 likes
      9. Nicholas Grossman‏ @NGrossman81 17 Aug 2017
        Replying to @NGrossman81

        That further suggests self-starter. #ISIS has tried to inspire sympathizers to launch their own attacks. #BarcelonaTerrorAttack 9/x

        1 reply 1 retweet 2 likes
      10. Nicholas Grossman‏ @NGrossman81 17 Aug 2017
        Replying to @NGrossman81

        Pros can be tracked as they travel or communicate online, but self-starters (eg San Bernardino) are very hard to anticipate. #Barcelona 10/x

        1 reply 1 retweet 2 likes
      11. Nicholas Grossman‏ @NGrossman81 17 Aug 2017
        Replying to @NGrossman81

        Self-starters usually do less damage (130 dead in Paris), but as the #BarcelonaTerrorAttack shows, they're still pretty devastating. 11/x

        1 reply 1 retweet 2 likes
      12. Nicholas Grossman‏ @NGrossman81 17 Aug 2017
        Replying to @NGrossman81

        However, it's still early, and it's possible others were involved. Also, the driver is still at large. #Barcelona 12/x

        1 reply 1 retweet 2 likes
      13. Nicholas Grossman‏ @NGrossman81 17 Aug 2017
        Replying to @NGrossman81

        Authorities suspect an explosion in Alcanar (about 100km from #Barcelona) may be linked. #BarcelonaTerroristAttack 13/xpic.twitter.com/ISEKTosL3K

        1 reply 1 retweet 2 likes
      14. Nicholas Grossman‏ @NGrossman81 17 Aug 2017
        Replying to @NGrossman81

        But they found 20 gas canisters, which is hardly a sophisticated explosive. If linked, it supports self-starter theory. #Barcelona 14/x

        1 reply 1 retweet 5 likes
      15. Nicholas Grossman‏ @NGrossman81 17 Aug 2017
        Replying to @NGrossman81

        Who did it and how linked they were to #ISIS will become clearer. But this we know: vehicle attacks are very hard to stop. #Barcelona 15/x

        2 replies 1 retweet 2 likes
      16. Nicholas Grossman‏ @NGrossman81 17 Aug 2017
        Replying to @NGrossman81

        My analysis of the Westminster vehicle attack (March 2016) applies to the #BarcelonaTerroristAttack as well. https://arcdigital.media/5-thoughts-on-the-westminster-attack-aeb29d4f9d85 … 16/x

        1 reply 1 retweet 1 like
      17. Nicholas Grossman‏ @NGrossman81 17 Aug 2017
        Replying to @NGrossman81

        Vehicles will drive near pedestrians in cities. No way around it, and we wouldn't want to stop normal urban activity either. #Barcelona 17/x

        1 reply 1 retweet 1 like
      18. Nicholas Grossman‏ @NGrossman81 17 Aug 2017
        Replying to @NGrossman81

        If someone really wants to hit pedestrians on purpose, they will have the opportunity. #BarcelonaTerrorAttack 18/x

        1 reply 1 retweet 1 like
      19. Nicholas Grossman‏ @NGrossman81 17 Aug 2017
        Replying to @NGrossman81

        Alert security services can respond quickly, but not before terrorists can do some damage. #BarcelonaTerroristAttack 19/x

        1 reply 1 retweet 1 like
      20. Nicholas Grossman‏ @NGrossman81 17 Aug 2017
        Replying to @NGrossman81

        I wish I could end on a more positive note, telling you how tragedies like the #BarcelonaTerrorAttack can be averted. But I can't. 20/x

        1 reply 1 retweet 5 likes
      21. Nicholas Grossman‏ @NGrossman81 17 Aug 2017
        Replying to @NGrossman81

        The reasons why #terrorist groups and self-starters want to use violence are big, complicated, and not about to go away. #Barcelona 21/x

        1 reply 1 retweet 4 likes
      22. Nicholas Grossman‏ @NGrossman81 17 Aug 2017
        Replying to @NGrossman81

        And vehicle attacks are an effective tactic that even prepared security services will have trouble stopping. #BarcelonaTerroristAttack 22/x

        2 replies 1 retweet 1 like
      23. Nicholas Grossman‏ @NGrossman81 17 Aug 2017
        Replying to @NGrossman81

        Intelligence can help anticipate, and alert police and individuals can help minimize the damage. But some will get through. #Barcelona 23/x

        1 reply 1 retweet 3 likes
      24. Nicholas Grossman‏ @NGrossman81 17 Aug 2017
        Replying to @NGrossman81

        Unfortunately, this reality won't stop some people, especially politicians, from promising easy solutions. #BarcelonaTerrorAttack 24/x

        1 reply 1 retweet 3 likes
      25. Nicholas Grossman‏ @NGrossman81 17 Aug 2017
        Replying to @NGrossman81

        But we can sympathize with victims and reject those who try to use the #BarcelonaTerroristAttack to advance their preconceived agendas (END)

        2 replies 1 retweet 5 likes
      26. Nicholas Grossman‏ @NGrossman81 17 Aug 2017
        Replying to @NGrossman81

        UPDATE 1: Spanish police killed 5 in Cambrils attempting a vehicle attack, who they're treating as connected to the #BarcelonaTerrorAttack.

        1 reply 3 retweets 8 likes
      27. Nicholas Grossman‏ @NGrossman81 17 Aug 2017
        Replying to @NGrossman81

        UPDATE 2: Reports say the 5 dead attackers were wearing explosive belts, casting doubt on the theory that the #BarcelonaAttack was amateur.

        1 reply 2 retweets 5 likes
      28. Nicholas Grossman‏ @NGrossman81 17 Aug 2017
        Replying to @NGrossman81

        UPDATE 3: Explosive belts usually indicate professional operations, or at least connection to a terrorist group. #BarcelonaTerroristAttack

        1 reply 1 retweet 6 likes
      29. Nicholas Grossman‏ @NGrossman81 17 Aug 2017
        Replying to @NGrossman81

        UPDATE 4: Explosive belts require a skilled bomb maker. They're not the sort of thing an amateur throws together with household material.

        1 reply 2 retweets 6 likes
      30. Nicholas Grossman‏ @NGrossman81 17 Aug 2017
        Replying to @NGrossman81

        UPDATE 5: This also means it was very fortunate the Cambrils attack didn't kill anyone. The police did well. #BarcelonaTerroristAttack

        1 reply 1 retweet 5 likes
      31. Nicholas Grossman‏ @NGrossman81 17 Aug 2017
        Replying to @NGrossman81

        UPDATE 6: It's odd one operative, without explosives, would attack a major location while 5 with explosives would target one less prominent.

        3 replies 1 retweet 6 likes
      32. 13 more replies

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