Investigations, controls surprises, the police entrusted with the Hexagon border security still plenty to do. Drug trafficking, robberies, illegal immigration, border areas, very sensitive, are the scene of many crimes. The FrenchBelgian border is one of the busiest in the country. This is the point favorite passage of drug traffickers and all the French for whom Belgium is the Eldorado of the festival and a hotbed of debauchery. The policies of the two states are trying to team up to stop the crime. A team followed these patrols.