When I got into trouble, I got beat. I’d have to stand naked and put my hands on the wall and count each hit. If I missed a count, he’d start over.” In 2008, after taking mushrooms, Douglas Blaine Matthews drove 500 miles to meet a friend. He ended up in a crack house where a ‘high-octane’ fight broke out that resulted in multiple murders. Zoe Hines and Ned Parker investigate the traumatic childhood and drug dependency that may have led to this episode’s Letters From A Killer.