Tuntematon murhaaja was released in the year 1982。Tuntematon murhaaja is also called as A Stranger Is Watching, Obcy obserwuje, Extraño está mirando, A Kalapácsos visszatér。

The 11-year old daughter and girlfriend of a man whose wife had been raped and killed in front of his daughter three years earlier are kidnapped by the same killer. Held captive in a bunker below Grand Central Station, the two plot their escape while the police try to track the kidnaper.

Tuntematon murhaaja actors and actresses include James Naughton, Kate Mulgrew, Rip Torn。