Guns of El Chupacabra in the Hollywood Reporter
Here is the 1998 American Film Market, Hollywood Reporter AFM Special Issue where you can see the listings, outlined in red, for Guns of El Chupacabra, The Rock n' Roll Cops, and other films by Donald G. Jackson and Scott Shaw that were being offered at that film market.
Here it is on the Guns of El Chupacabra page on Tumblr.
