Best Investigation movies of 1969

Actors : David Story, Robert Story, Scott Brady, Jim Davis,
Directors : Stuart E. McGowan,

A serial killer who works in an ice house murders women, then brings their bodies back to the ice house and stores them there. He also murders his identical twin brother, who is a policeman, and takes his place in the investigation.

Actors : Leon Askin, Fabio Testi, Ini Assmann, Dean Reed,
Directors : Harald Philipp,

While looking for a stolen diamond necklace,the private investigator Bob Martin uncovers a smart serial killer.

Actors : Irena Prosen, Petar Kralj, Zoran Milosavljevic, Mihailo 'Misa' Janketic,
Directors : Zivorad 'Zika' Mitrovic,

Eminent Belgrade physician gets murdered. The investigation is revealing dark side of his character - illegal abortions and abuse of his wife. Wife's lover is becoming the prime suspect. ...

Actors : Karl-Birger Blomdahl, Per Myrberg, Max von Sydow, Lena Granhagen,
Directors : Johan Bergenstråhle,

Two journalists Kristina travels to Thailand to investigate rumors that a Swedish company is engaged in illicit arms sales there.

Actors : Ray Sebastian, Michael Donovan O'Donnell, Suzanne Fields, Barbara Mills,

Undercover reporter Melody Anthem investigates the goings-on that are happening at Miss Grundy's finishing school for girls. Naturally, Melody finds out that the distaff students are ...

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 : Adoor Bhasi, Paravoor Bharathan, Prem Nazir, G.K. Pillai,
Directors : A.B. Raj,

Prem Nazir is an undercover cop investigation potential gold biscuit smuggling in a hospital. He succeeds.

Actors : Claude Titre, Georges Genicot, André Gevrey, Françoise Brion,

A detective is seeking an assassin in a murder that has not yet occurred, only to discover that it is his destiny to become that assassin.

Actors : Han Chin, Yin Fang, Po Chien Chin, Wen Ching Cheng,
Directors : Kô Nakahira,

After one of his lovers committed suicide, a young playboy involved to a mysteries death of his lovers one by one. Meanwhile his girlfriend try to discover the truth about the incident.

Actors : Zuzana Savrdová, Zdenek Rehor, Lubomír Lipský, Iva Janzurová,
Directors : Ladislav Rychman,

Detective Lieutenant Boruvka (Lubomír Lipský) is called to the State Scientific Library to investigate the loss of a precious manuscript, the Infernal Psalter of the Occult Sciences by ...

Actors : Ryszard Filipski, Piotr Pawlowski, Barbara Brylska, Zygmunt Hübner,
Directors : Janusz Majewski,

Former police captain tells a reporter about his last job - a private investigation on the mysterious death of a girl who was a court witness.

Actors : Jimmy Walker, J. Thomas Westmorland, Tony Ferrer, Rod Navarro,
Directors : Leody M. Diaz,

The kiss and kill dames on a manhunt and the excitement begins when the hunt ends.

Actors : Dong-hwi Jang, Jeong-hie Yun, Ji-mee Kim,
Directors : Yeong-cheol Choi,

In compliance with her father's dying wish, his daughter, Hyeon-hu, becomes captain of his ship. Suspecting that her father's death was not an accident, she asks the help of Min-ho, her first mate, in order to find the killer

Actors : Dae-yeob Lee, Ran-ji Ju, Dong-hwi Jang, Jeong-hie Yun,
Directors : Il-Ho Jang,

Detective Choi Kwak-wook attempts to solve the murders among a family who have just inherited a fortune.