Elsewhere on this site, you can find threads discussing mind control techniques, among which are electromagnetic remote mind control methods. Dreams, feelings, ideas, words can all be popped into targeted individuals' minds without their knowledge or consent, even against their will. To the targeted individual, it can sound like their own voice, or someone else's. So, your friend's prophecy could have been sent into his/her head as part of a sinister plan. IF dark forces knew your friend would see the cardinal face-to-face, and knowing of the prophecy belief, your friend could logically have been chosen as a targeted individual.