Night Ripper (1986)

aka's: Night Ripper – Das Monster Von Florenz/IL Mostro Di Firenze/
The Monster Of Florence

A string of sex murders occur in Florence for almost 15 years, in which a serial killer brutally murders couples in public areas. A writer (Leonard Mann) who is doing research for a book about the crimes sets out to uncover the identity of the killer, aided by his beautiful girlfriend (Bettina Giovannini). Based on a true story. Also stars Gabriele Tinti. (In Italian language, with English subtitles).

Comes from an uncut widescreen German import print.