Frank Lupo

Two police officers investigate a series of brutal murders in which the victims have had bodily organs removed. When one of them questions a young woman who has been seen at the crime scenes, it turns out she is an alien from an interstellar prison ship and that the murders have been committed by a powerful xenomorphic alien which had escaped (imdb)

Four Vietnam vets, framed for a crime they didn't commit, help the innocent while on the run from the military. (imdb)

Vinnie Terranova does time in a New Jersey penitentiary to set up his undercover role as an agent for the OCB (Organized Crime Bureau) of the United States. His roots in a traditional Italian city neighborhood form the underlying dramatic base throughout the series, bringing him into conflict with his conservative mother and other family members while acting undercover as syndicate enforcer.

Three vietnam veterans (Nick Ryder, Cody Allen and Murray Bozinsky) now work as private eyes in sunny southern California. (imdb)

An acid-scarred judge turns masked avenger, backed by an electronics expert and her crime lab.