Original: Before the filming, Acorah had been fed disinformation twice about the non-existent ghosts of Kreed Kafer and Rik Eedles by the show parapsychologist Dr. Ciaran O' Keeffe.
Simplified: Before the filming, Acorah had been fed misinformation about a non-existent ghost of Kreed Kafer by the show parapsychologist Dr. Ciaran O' Keeffe.