filmed in the Stasi Archive in Berlin by photographer Arwed ##sen . Show how secret societies forced people trying to escape to re - enact method . captured pictures of primitive floats , children concealed in cars and tunnels . Secret police collected the pictures for interrogation and for use at demonstrations as evidence . Have now been compiled in a book entitled Reenactment MfS . Reenactment MfS by Arwed Messmer , is published by Hatje Cantz .
Discovered in the Stasi Archive in Berlin by photographer Arwed Messmer . Show how secret police forced people trying to escape to re-enact method . Include pictures of primitive floats , children concealed in cars and tunnels . Secret police used the pictures for training and for use at trials as evidence . Have now been compiled in a book called Reenactment MfS . Reenactment MfS by Arwed Messmer , is published by Hatje Cantz .