Following a brutal crime spree, a police detective investigating a strange killer targeting unfaithful wives and adulterous spouses finds that a potential witness may help solve the case and tries to protect her when the killer starts to torment her while continuing his spree. This was quite the fun if slightly problematic sleazy Giallo. One of the more impressive acts here is the fact that there's a decent investigation wrapped around the strong sleazy thrills. With the introduction of the photography storyline in the crimes and using that as the main basis for catching the culprit, this on...