Kolchak: The Night Stalker - Season 1 - Eps 14: The Trevi Collection
A fashion industry spy is thrown to his death from a room filled with nothing but mannequins as Carl looks on from the street below. This is but the first in a series of strange murders that point to a supernatural origin: apparently Madame Trevi, a leading designer in the fashion industry, is using witchcraft to stop those who oppose her. With the aid of a witches' coven, Carl is pointed to the source of Trevi's power and destroys it, only to find who the witch truly is. Armed with a mojo bag, Carl must confront the witch and publicly accuse her to strip her of her powers.
About Kolchak: The Night Stalker

Title: Kolchak: The Night Stalker
First Air Date: 1974-09-13
Last Air Date: 1975-03-28
Status: Ended
Rating: 7.575/10 (from 80 votes)
Language: EN
Seasons: 1
Total Episodes: 20
Network: ABC
Genres: Drama, Mystery, Sci-Fi & Fantasy
Production Companies: Francy Productions, Universal Television, Dan Curtis Productions, ABC Circle Films
Synopsis
Kolchak: The Night Stalker is an American television series that aired on ABC during the 1974–1975 season. It featured a fictional Chicago newspaper reporter who investigated mysterious crimes with unlikely causes, particularly those that law enforcement authorities would not follow up. These often involved the supernatural or even science fiction, including fantastic creatures.
Cast

Darren McGavin
Carl Kolchak

Simon Oakland
Tony Vincenzo

Jack Grinnage
Ron Updyke