As WND has reported, Charleston church shooter Dylann Roof was a known drug user who was caught with the powerful mind-altering narcotic Suboxone when apprehended by police during an incident on Feb. 28. Suboxone is used to treat addiction to opioid drugs such as heroin. It’s adverse effects include anxiety, irritability, depersonalization, confusion, suicidal thoughts and irrational, sometimes violent behavior. Other drugs linked to mass killers have more often been geared toward treating mental illness. According to a data set of U.S. mass shootings from 1982-2012 prepared by Mother Jones magazine, of 62 mass shootings carried out by 64 shooters,...