We’d do better to study the good guys rather than the deviants

There’s the probability that the unprecedented publicity payoff delivered to bizarre killers will provoke others, writes Terry Prone.

You have a man who sticks a camera on his forehead to live-stream him killing 50 or more people, including children, in a mosque in New Zealand. You have a man who publishes his crazed “manifesto” on social media before he goes into the mosque. You have pictures of the man’s face, taken by him and uploaded before the crime.