Best Investigation movies of 2000s

Actors : David Arquette, Ty Burrell, Joseph Fiennes, Winona Ryder,
Directors : Finn Taylor,

To investigate bizarre insurance claims that transpired in either accidents, death or both, a former cop and an insurance investigator travel throughout the country to look at the cases up close.

Actors : Paul Walker, Piper Perabo, Bob Gunton, Brooklynn Proulx,
Directors : John Glenn,

A former criminal is drawn into a criminal endeavor and subsequently finds himself living an inexplicable new life working at a psychiatric facility.

Actors : Goran Visnjic, Shirley Henderson, Paddy Considine, Miranda Otto,
Directors : Nick Willing,

A hypnotherapist is caught up in the pursuit of a serial killer.

Actors : Rhona Mitra, Colm Feore, Jim Caviezel, Frankie Faison,
Directors : Robert Harmon,

Rennie Cray (Caviezel) embarks on a bloodthirsty rampage to avenge the death of his wife who was struck down by a serial killer - a man who hunts and kills women using his '72 El Dorado.

Actors : Jean Reno, Camille Natta, Benoît Magimel, Christopher Lee,
Directors : Olivier Dahan,

Pierre Niemans faces the threat of the apocalypse while investigating a series of ritual murders.

Actors : Eric Mabius, Fred Ward, Kirsten Dunst, Jodi Lyn O'Keefe,
Directors : Bharat Nalluri,

Alex Corvis returns to the world of the living to solve the murder of a young woman that he was wrongly accused of.

Actors : Rachel Miner, Chris Carmack, Melissa Jones, Kevin Yon,
Directors : Seth Grossman,

Sam Reide uses his power to time travel to solve the mystery of his girlfriend's death.

Actors : Hugo Weaving, David Wenham, Natalia Novikova, Rebecca Frith,
Directors : Stavros Kazantzidis,

Harvey, a self-doubting private investigator, plans to marry his girlfriend until he is hired to solve an adultery case and discovers the adulterer is cheating with his fiancée. Lost and ...

Actors : Brent Roam, Marco Rodríguez, Angela Bettis, Rance Howard,
Directors : Tobe Hooper,

A historic Hollywood hotel houses a supernatural evil. It's been subdued for decades, but when renovations start, a series of murders take place.

Actors : Brendan Fletcher, Michael Paré, Shaun Sipos, Matt Frewer,
Directors : Uwe Boll,

A man with a thirst for revenge builds a full body armor from Kevlar and goes on a killing spree.

Actors : Patrice Bélanger, Pierre Boudreau, Sarain Boylan, Michel Beaudry,
Directors : Erik Canuel,

Two Canadian detectives, one from Ontario and the other from Quebec, must work together when a murdered victim is found on the Ontario Quebec border line.

Actors : Stephen Dillane, Anamaria Marinca, Rolf Lassgård, Kerry Fox,
Directors : Hans-Christian Schmid,

Hannah Maynard, a prosecutor of Hague's Tribunal for war crimes in former Yugoslavia, charges a Serbian commander for killing Bosnians. However, her main witness might be lying, so the court sends a team to Bosnia to investigate.

Actors : John Bishop, Mark Womack, Andrea Lowe, Geoff Bell,
Directors : Ken Loach,

The story of a private security contractor in Iraq who rejected the official explanation of his friend's death and sets out to discover the truth.

Actors : Göran Ragnerstam, Torkel Petersson, Sissela Kyle, Fares Fares,
Directors : Josef Fares,

When a small town police station is threatened with shutting down because of too little crime, the police realise that something has to be done...

Actors : Hank Harris, Dylan Fergus, Andrew Levitas, Bryan Kirkwood,
Directors : Paul Etheredge,

Halloween in West Hollywood, two guys making out in a park are interrupted by a serial killer. Later that night, a group of gay kids decide to visit to the site of the murders.

Actors : Stacy Chbosky, Ben Messmer, Samantha Robson, Ivar Brogger,
Directors : John Erick Dowdle,

In an abandoned house in Poughkeepsie, New York murder investigators uncover hundreds of tapes showing decades of a serial killer's work.

Actors : Robin Tunney, Rory Culkin, William Mapother, Justin Chambers,
Directors : Alexander Bulkley,

An elusive serial killer known as the Zodiac terrorizes the San Francisco Bay in the late 1960s, while detectives aim to stop him before he claims more victims. Based on a true story.

Actors : Ryo Ishibashi, Mai Hosho, Tamao Satô, Masatoshi Nagase,
Directors : Sion Sono,

A detective is trying to find the cause of a string of suicides.

Actors : Lukas Haas, David Arquette, Thomas Jane, Jaime King,
Directors : David Arquette,

A Ronald Reagan-obsessed serial killer targets a bunch of hippies who are heading to a weekend-long concert.

Actors : Bing Shao, Jackie Chan, Weixing Yao, Jianzhong Zhang,
Directors : Stanley Tong,

Archeologist Jack keeps having reoccurring dreams of a past life, where he is the great General Meng Yi, whom is sworn to protect a Korean Princess named OK-soo. Jack decides to go investigate everything with his friend William.