They are trying to communicate with devils. Devils are the reprobates that died. Le:19:31: Regard not them that have familiar spirits, neither seek after wizards, to be defiled by them: I am the LORD your God. Le:20:6: And the soul that turneth after such as have familiar spirits, and after wizards, to go a whoring after them, I will even set my face against that soul, and will cut him off from among his people.

Proverb:22:26: Be not thou one of them that strike hands, or of them that are sureties for debts.

Proverb:18:10: The name of the LORD is a strong tower: the righteous runneth into it, and is safe.