In Europe, cooperation between different police forces is fairly routine. Below some examples from UK police forces, I'm assuming reciprocity. http://www.daily

In Europe, cooperation between different police forces is fairly routine. Below some examples from UK police forces, I'm assuming reciprocity. http://www.dailymail.co.uk/news/article-184038/Police-smash-10m-money-racket.html http://www.dailymail.co.uk/news/article-184038/Police-smash-... http://www.sussex.police.uk/about-us/policies-and-procedures/current-force-policies/interpol/ http://www.sussex.police.uk/about-us/policies-and-procedures... (UK has around 40 regional police forces along with various national agencies.)