And Hitchcock's "Rope" isn't actually about the Boy Scouts but it does have a psychopath as one of its central characters.
Whereas Hitchcock's Spellbound has nothing to do with Siouxie and the Banshees or for that matter psychopaths.
Hitch was always a bit of a trickster like that when thinking...
Ironically Norman Bates from the film Psycho wasn't actually a psychopath.
Purely by virtue of the film's title he has become the character who iconically and most famously represents people's idea of what a psycopath is.
Norman Bates was actually psychotic with a dissociative identity...