K*ling someone is not something to be underestimated, unlike video games and films where k*ling means nothing.
K*ling is the last of the options, and can be done in extreme cases.
You have to make wise and unemotional choices when considering something like this.
However, in cases of survival we are allowed to k*ll even sacred animals, just so you understand.
However you should always try to act through the competent authorities, the above is for information purposes, I am not inciting you to m*rder.
The only sin in Satanism is stupidity, remember that.