"There is, in all honesty, no way to kill someone mercifully. There are those who count it no crime to drown an imperfect newborn in warm water, as if the infant will not struggle desperately to draw air into its lungs. Did it not try to breathe, it would not drown. But they do not hear the screams nor feel the darkening of the mind that the child endures, so they have been merciful. To themselves. This is true of most “mercy killings.” The best an assassin can do is create a setting in which he does not have to witness the pain he causes. Ah, you will say, but what of drugs and poisons that send a man into a deep sleep from which he never emerges? Perhaps, but I doubt it. I suspect that some part of the victim knows. The body knows it is being murdered, and it keeps few secrets from the mind. The strangler, the suffocator, the exsanguinator may all claim that their victims did not suffer. They lie. All they may truly say is that the victim’s suffering was invisible to them. And no one returns to say they were wrong."