Terrorists kill to support their jihad.  Thrill seeking killers thrive on publicity.  This guy was a terrorist killer with a specific target and a religious/political objective.  The photo could motivate thrill seeking copy cats perhaps.  Yes, publicizing the faces of killers is something to think deeply about.  But look at all the crime stories, it is the normal routine to put mug shots with the stories.  Basically, we are on a train speeding down the tracks with little thinking about possible alternative paths trapped by the rails.