International cooperation Working visit Customs office (Hong Kong) The Dog Support Unit has close contacts with several countries like the Netherlands, France, Germany, Switzerland, Poland, … Information and knowledge is exchanged, new training methods and techniques are analysed and various dog specializations are examined and evaluated. On the one hand, this cooperation is intended to harmonize the use of specialized dog teams even more with the concrete request of the judicial authorities, local and federal police services. On the other hand, this cooperation also adds to the quality of the specialized dog teams. Bloodhound Seminar (Virginia - USA)