Humans cannot bring back the dead on their own ability.
In ancient times, Jehovah God commanded his people: “There should not be found in you . . . anyone who inquires of the dead.” (Deuteronomy 18:9-13) Why would Jehovah make such a prohibition? If it were possible for the living to talk with the dead, it would be a loving thing on God’s part to allow such communication, would it not? But simply put, such communication is not possible. How do we know that?
The Scriptures repeatedly teach that the dead are unconscious. Consider Ecclesiastes 9:5: “The living are conscious that they will die; but as for the dead, they are conscious of nothing at all.”
The Bible reveals that spirit sons of God rebelled against their Maker and became demons. (Genesis 6:1-5; Jude 6, 7) These promote the false idea that humans live on after death. To further this untruth, they pretend to be dead persons by speaking to the living from the spirit realm. The demons are God’s enemies, and contact with them is dangerous. For this reason, the Scriptures command: “Do not turn yourselves to the spirit mediums, and do not consult professional foretellers of events, so as to become unclean by them.” (Leviticus 19:31)