[lightbyte]

He's referring to the person who was murdered, not the killer.

[emodendroket]

Is the claim here that the victim is actually at fault and it's good that he was killed, or else what is meant?

[Ensorceled]

That he forgot the there was a real disturbed person on the other end who might come and kill him.

[emodendroket]

Surely this observation is meant to express some view, and the one that comes naturally to mind is that he's deserving of reproach for having "forgotten"