**_Pursuing a supernatural psycho in Los Angeles_** A Los Angeles detective (Lou Diamond Phillips) teams-up with a winsome psychic (Tracy Griffith) to nab a nutso serial killer who was executed, but uncannily continues to manifest for more slayings. “The First Power” (1990) is a fast-paced crime thriller with occult-oriented horror. It takes “The Night Stalker” (1972) template minus the vampire angle and mixes it with the real-life Richard Ramirez case, “Spellbinder” (1988) and “The Hidden” (1987). It’s as entertaining as any of those three movies, as well as more amusing, but it’s hampered…