American Serial Killer – Original Artwork - John Wayne Gacy (1942-1994) ‘High Country Sunset’ Oil Painting – J.W. Gacy ‘84 to the front and with an inscription to the reverse ‘Best Wishes [signed] J. W. Gacy’, with two signatures altogether, oil on canvas, measures 46x35cm – depicts a mountainous country sunset scene. Note: John Wayne Gacy was an American serial killer who sexually assaulted, tortured and murdered at least 33 teenaged boys and young men between 1972 and 1978.