Best Serial Killer movies of 1960s

Actors : Jean-Louis Trintignant, Robert Hossein, Bernadette Lafont, Giorgia Moll,
Directors : Nadine Trintignant,

Jean (Trintignant), a psychopath, casually witnesses a young woman's suicide. In his sick mind, he begins to be convinced he murdered her and starts sending letters to newspapers with ...

Actors : Linda Marlowe, Jack May, Gilbert Wynne, Justine Lord,
Directors : Lindsay Shonteff,

A Jack the Ripper-type serial killer is loose in London. Suspicion falls on a transvestite judge.

Actors : Masayoshi Nogami, Mari Aoki, Reiko Minakami, Kyôzô Fuyuki,
Directors : Toshio Okuwaki,

A rebellious youth caught up in the student protests of the turbulent 1960s unintentionally kills a policeman before setting out on a violent and passionate crime spree in director Toshio Okuwaki's classic piece of Japanese erotica.

Actors : Jo Long, Luanne Roberts, Lynn Hayes, Pierre Agostino,
Directors : Charles Nizet,

While serving in Vietnam, a demolitionist witnesses the brutal torture/rape/murder of a young woman...ultimately, he becomes a serial rapist and killer himself, preferring explosives as his murder weapon of choice.