I have entities too, they are not always right, actually, I think they are almost always wrong.
You are not crazy, you have a disorder called schizophrenia.
Most of serials killers are people who knows what they are doing, they are not psychotic, they are psychopaths, sociopaths, antisocial, ... Most of people with schizophrenia are less dangerous than 'normal' people.
You are not that different from any other human being, your brain just works a bit different that makes you be out of reality, but you deserve to live as everyone else.
__________________
Crazy, inside and aside
Meds: bye bye meds
CPTSD and some sort of depression and weird perceptions
"Outwardly: dumbly, I shamble about, a thing that could never have been known as human, a
thing whose shape is so alien a travesty that humanity becomes more obscene for the vague resemblance."
I have no mouth and I must scream -Harlan Ellison-