every 2 months monday night saina travels around 6000 kilometers from her native switzerland to the democratic republic of congo in this politically unstable country she can only move around under the protection of the armed rangers. marlena is an internationally source after specialist in man trailing which means she trains dogs specifically to track people down. a service are required in particular in the northeast of congo in the national park where ruthless brutal poaching is in danger and the animal population. the park director wants to combat the poaching and asked marlena who is a vet for her help 80 years ago since then she's been in charge of developing a special sniffer dog unit for this purpose. of the cold i didn't know anything about congo only as much as the next person i just knew that it was somewhere in the middle of africa and there was a conflict there when i got there 1st email and phone call i thought i'm not sending any dogs down there is specially not my favorite breed to get off. that it actually for me but the director of the virunga national park explained to me what