As there is from conception the inherent 'self', a living entity although a part of your body constitutionally separate, only connected with a feeding tube as in a emergency ward, it is not surprising the deviant word 'murderer' is utilised by some who do not have to bear the psychological, physiological and /or economic burden.
If one was capable of viewing one's own behavior objectively and the cultural network within which it resides, follow the cultural network cables, I guarantee as one incrementally perceives and adds your effect at each node of one's cultural contribution to the whole, 'murderer' may be the least of your labels.
No one is happy arriving at such a decision place except possibly the rare emotionally absent.
There are no times in your life you because of human frailty had to compromise belief forced by circumstance to take a conflicting ethical action?
The first stone......