From 2012 - Man from Serbia murdered Swiss nurse who had denounced his social security fraud

This case illustrates the problem with mass migration to perfection... http://www.20min.ch/ro/news/suisse/story/La-victime-avait-demasque-un-fraudeur-a-l-AI-23604367 https://www.swissinfo.ch/fre/un-fraudeur-à-l-ai-reconnu-coupable-d-assassinat-à-berthoud-be/42103636