There is also the possibility of evil spirits invading others in past lives and during this life. Therefore it's important to exorcise the right demon for the right reasons. Relations to other people with evil demons may also get better as a consequence of correct exorcism. These indicate very evil demons. It's related how Hubbard discovered that a gang of demons made a profession out of killing patients in hospitals.
Exorcism is recommended.
These are difficult to exorcise. Individuality in collective activities is encouraged. A demon only partially exorcised is connected to the mass of other demons, which means the solution is more exorcism. The result may sometimes be a feeling of relaxation. It's important for demons as well as for Scientologists to avoid so called misunderstood words when applying Hubbard's doctrines.