The movie, filmed during the spring of 1987, borrows elements from three earlier films of the eighties—"An American Werewolf in London," "Trick or Treat,” and “The Lost Boys”—and combines them with the unusual backdrop of Alcatraz Island. While it’s a lower-budget production compared to those movies and ultimately the weakest of the four, there are still enough good moments to recommend it for fans of that era's cine…