Today is the 6th anniversary of one of the deadliest school shootings in American history. What's driving those behind the tragedies like the Sandy Hook Elementary massacre to shoot and kill? Psychologist Dr. Peter Langman is on my latest show: https://t.co/q3SyFxqim4 pic.twitter.com/ODDBq6lPIy
— SophieCo (@SophieCo_RT) December 14, 2018