What happens in the mind of a politically-motivated killer? In an interview with a former IRA paramilitary assassin we can see shades of other conflicts and the psychology of nationalism, religious hatred, and difference:
Historical parallels are inevitably flawed. But a recent flurry of horrific bloodletting — the attack in Nairobi that left 60 dead, the execution by Syrian jihadis of bound and blindfolded prisoners, an Egyptian soldier peering through his rifle sight and firing on the teenage daughter of a Muslim Brotherhood leader — raises a question as old as Cain and Abel: Do we all have it in us?
Many experts think we do. For Mr. O’Callaghan, it was a matter of focus. Via Behind Flurry of Killing