Mark Shadley is an active member of Black Hills Paranormal Investigations. Josh Wennes is an active member of Black Hills Paranormal Investigations. He researches and writes about ...voir plusMark Shadley is an active member of Black Hills Paranormal Investigations. Josh Wennes is an active member of Black Hills Paranormal Investigations. He researches and writes about the haunted history of Deadwood and the surrounding areas.voir moins