Those judged to have been Demoniacs will have also been judged to be mentally ill and subject to paranoia. This is reason to think demoniacs were considered unreliable witnesses because...
- Richard Swinburne: “[It could] make them particularly ill suited as witnesses, being as open to the charge of being still under the influence of these spirits, or (by the more secularly minded) of being liable to fantasize.” [The Resurrection of God Incarnate, (Clarendon, 2003), 151.]
As an example, Mary Magdalene was dismissed as an unreliable source in virtue of her reputation as a former demoniac. (E.g. Celsus derides Christianity’s origin story because she was a Demoniac who sourced the originating belief.)
But no...