[Textile fibres under the prepuce--criminalistic proof for a sexual assault (author's transl)].

1. One day after a sexual assault the male suspect was investigated by a physician who found yellow textile fibres on his penis. 2. The police secured yellow fibres from the bed-cover, the socks and the panties of the victim. 3. At the laboratory the four kinds of fibres were analyzed. The fibres from the bed and the penis gave identical results by six different methods.