Here's the world rulers of the darkness

And against the wicked spirits of forces in the heavenly places

Ephesians 6:12

These unseen, wicked world rulers are determined to mislead all mankind

Thus, a wicked spirit imitates the voice of one who has died

And may talk with that one's living relatives or friends

Or through a spirit medium or by a voice

From the visual realm

The force pretends to be the departed one

So, if you ever hear such a voice, do not be deceived

Reject whatever it says

And echo Jesus' words, "Go and be saved"

Matthew 14, James 4:12