GREAT post! back in my convent days i was priivy to excorsisms --nasty nasty stuff....and although these manifestations seemed "outside" the person who was plagued by them, in EVERY case it was brought on by guilt/anger etc. some people are so plagued with negative emotion that all energy around them become negative. the energies feed off what the person is radiating....once they come to terms with what they were feeling guilty about and dealt with their "inner demons" the outer demons vanish--or change in energy themselves.