Las Vegas, NV – The Arts Factory will exhibit MULTIPLES: The Art Work of John Wayne Gacy, featuring selected works of art by the serial killer from May 5 through May 28, 2011 at Sin City Gallery. Multiples will set the stage for the largest outsider art exhibition by a solo artist on the West Coast. Over 70 works of art, memorabilia and audio conversations by Gacy will be available to the public at the Contemporary Arts Center in September of 2011.