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An almost throwaway sentence in the paper stood out to me:

>Because transactions take place at well-defined geographic locations and at well-defined moments in time, intersecting the IMSIs of SIM cards present near the crime scenes immediately revealed the perpetrators’ SIM card details.




Eventually criminals will learn, as some terrorists have, that mobile phones and crime don't mix well.


Well, except for IEDs.


Even then, one has to pick a carrier carefully; I've heard that at least one person blew themselves up with a promotional text message from carrier.


Source?


Mark I Eardrum. I heard it from someone.

That someone was probably retelling this: http://www.dailymail.co.uk/news/article-1351673/Spam-text-me....


The same technique has caught bank robbers in the US: http://arstechnica.com/tech-policy/2013/08/how-cell-tower-du...


If they were smart enough to do all that micro hardware hacking, why did they use persistent SIM cards?




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