The Killing Hour (aka The Clairvoyant) is classic giallo.
The film is a late entry for giallo, 1982, and made in the USA, but it has all the trappings of a classic Italian giallo thriller. Black gloved killers, psychics, red herrings, twist endings, citizen detectives, a banging soundtrack, and even a dummy getting thrown off a building.
It does lack the gore and goofiness of most giallo films. The kills are simple but effective. Plenty of fun and nasty ways…