The Kill wire or wire, also called Dodenhek, was a wire barrier that during the first world war by the German occupiers of Belgium was laid out along the border between the occupied Belgium and the neutral Netherlands. In German barrage was officially referred to as Grenzhochspannungshindernis pieces. the barrage was under deadly electric voltage and was to prevent that war volunteers fled Belgium. Also had to prevent the fencing that espionage messages from occupied territory via Netherlands Allied espionage services reached and it served to stop smuggling. The thread took an estimated hundreds of people's lives, but could not prevent thousands of people passed the border in many different ways. After the end of the war, the dodenhek degrade quickly.