Both.
Read Scott pecks books
Glimpses of the devil
People of the lie
Demonic energies are tied in with obsessions with outside voices in cases of this type of criminal illness
Look up David Berkowitz who is still alive after being cured of occult obsession and mental delusions related, and Karla Faye Tucker who also recovered from drug addiction and abuse but was still executed for capital crimes committed while on drugs.
People can be diagnosed and treated earlier to save lives from deadly illnesses. We demand medical treatment for cancer AIDS Ebola, why not detection and detention of criminal illness like any other dangerous disease that threatens public health and safety if let loose and unchecked