**_A psycho switchblade killer is on the loose in sleazy late 60’s London_** The corpses of attractive females are stacking up and so a no-nonsense detective (Gilbert Wynne) tries to zero-in on the murderer. Is it a womanizing punk, a court clerk or someone else? “Night, After Night, After Night” (1969) meshes the mental illness elements of “Psycho” with the seedy Big City milieu of “Coogan’s Bluff,” just switched to the locale of London’s seedy underbelly. Like the future “The Confessional,” aka “House of Mortal Sin,” it casts suspicion on those in respectable authority positions. Blu...