currently, there are amber alert systems in 20 european countries: belgium, bulgaria, cyprus, the czech republic, france, germany, greece, ireland, italy, lithuania, luxembourg, malta, the netherlands, poland, portugal, romania, slovakia, spain, switzerland and the united kingdom. amber alerts systems in poland (2013), slovakia (2015), luxembourg (2016) and malta (2017). these systems aim at quickly disseminating relevant information about a very worrying child disappearance to the general public at large, through a variety of channels, thus increasing the chances of finding the child.