“The correct view is that execution of a spy depends on the opinion of the ruler; if executing him is in the Muslims’ interests, he should be executed, but if letting him live serves a greater interest, then he should be allowed to live. And Allah knows best. The above also includes the one who does not pray, the one who practices witchcraft , and the heretic, because they come under the heading of “the one who leaves his religion and splits from the jama’ah.” With regard to the conditions of implementing this punishment, there are many. Each crime has its own specific conditions, details of which may be found in the books of fiqh. And Allah knows best. Was this answer helpful?