Am Abgrund
- Episode aired Jan 30, 1981
- 59m
A call-girl is found stabbed to death, and an eye witness' testimony leads Derrick to speak to an alcoholistic, retired teacher.A call-girl is found stabbed to death, and an eye witness' testimony leads Derrick to speak to an alcoholistic, retired teacher.A call-girl is found stabbed to death, and an eye witness' testimony leads Derrick to speak to an alcoholistic, retired teacher.