When he was just 19, two of Richard’s uncles got into a heated argument over a piece of family land. “The uncle who was sitting across the table from me jumped up and shot my other uncle in the head and killed him -- right beside me.” The trauma from witnessing the murder was a traumatic event that Richard had difficulty processing. “I had dabbled as a teenager with alcohol and pot, but things really took a change then. My recreational use became a full-blown addiction.” Richard’s grandmother...