Best Investigation movies of 2000s

Actors : Mark Dacascos, Samuel Le Bihan, Vincent Cassel, Jérémie Renier,
Directors : Christophe Gans,

In 18th century France, the Chevalier de Fronsac and his native American friend Mani are sent by the King to the Gevaudan province to investigate the killings of hundreds by a mysterious beast.

Actors : Ewan McGregor, Ayelet Zurer, Stellan Skarsgård, Tom Hanks,
Directors : Ron Howard,

Harvard symbologist Robert Langdon works with a nuclear physicist to solve a murder and prevent a terrorist act against the Vatican during one of the significant events within the church.

Actors : Heath Ledger, Mark Addy, Benno Fürmann, Shannyn Sossamon,
Directors : Brian Helgeland,

A young priest is sent to Rome to investigate the troubling death of the head of his order.

Actors : Robyn Rikoon, Trieste Kelly Dunn, Cris Lankenau, Raúl Castillo,
Directors : Aaron Katz,

A guy who moves back to Portland, Oregon becomes involved in the mystery of his ex-girlfriend's disappearance.

Actors : Emmanuelle Béart, Danielle Darrieux, Fanny Ardant, Catherine Deneuve,
Directors : François Ozon,

One murdered man, eight women, each seeming to be eager than the others to know the truth. Gimme, gimme, gimme some clues to make up my mind. And eventually enter the truth. Oh, thou cruel woman!

Actors : Haylie Duff, Anjelica Huston, Hilary Duff, Maria Conchita Alonso,
Directors : Martha Coolidge,

Two wealthy sisters, both heiresses to their family's cosmetics fortune, are given a wake-up call when a scandal and ensuing investigation strip them of their wealth.

Actors : Pavan Malhotra, Kay Kay Menon, Dibyendu Bhattacharya, Aditya Srivastava,
Directors : Anurag Kashyap,

Black Friday is a film about the investigations following the 1993 serial Bombay bomb blasts, told through the different stories of the people involved --police, conspirators, victims, middlemen.

Actors : Orlando Bloom, Zoe Saldana, Agnes Bruckner, Bill Paxton,
Directors : Frank E. Flowers,

In Cayman Island, the daughter of a powerful man - Andrea - and the fisherman Shy are in a deep but secret love, hidden from Andrea's parents. When Andrea's father sails in a fish-trip, ...

Actors : Robin Tunney, Brad Hunt, Tim Blake Nelson, Liz Phair,
Directors : Finn Taylor,

After a martini-induced rampage, a fantasy-prone young woman is placed under house arrest.

Actors : Radha Mitchell, Bruce Willis, Rosamund Pike, Ving Rhames,
Directors : Jonathan Mostow,

Set in a futuristic world where humans live in isolation and interact through surrogate robots, a cop is forced to leave his home for the first time in years in order to investigate the murders of others' surrogates.

Actors : Samuel L. Jackson, Vanessa Williams, Jeffrey Wright, Christian Bale,
Directors : John Singleton,

New York City police detective John Shaft (nephew of the original 1970s detective) goes on a personal mission to make sure the son of a real estate tycoon is brought to justice after a racially-motivated murder.

Actors : Jean Reno, Nadia Farès, Dominique Sanda, Vincent Cassel,
Directors : Mathieu Kassovitz,

A murder detective must follow the footsteps of a brutal killer within the secrets of a classist college.

Actors : Jessica Lange, John Goodman, Jeff Bridges, Bob Dylan,
Directors : Larry Charles,

A singer, whose career has gone on a downward spiral, is forced to make a comeback to the performance stage for a benefit concert.

Actors : Anne-Marie Cadieux, Xavier Dolan, Diane D'Aquila, Jay Baruchel,
Directors : Jacob Tierney,

Victor is new to Montreal and attempts to make friends with the wheelchair-bound Spencer and the cat-loving Louise, but everybody is on edge with a serial killer terrorizing the neighborhood.

Actors : Nikki Reed, Carrie-Anne Moss, Alec Baldwin, Jeff Goldblum,
Directors : Nick Guthe,

A rebellious girl hooks up with an escort agency where her stepfather is a client.

Actors : Chao Deng, Bingbing Li, Carina Lau, Tony Ka Fai Leung,
Directors : Hark Tsui,

An exiled detective is recruited to solve a series of mysterious deaths that threaten to delay the inauguration of Empress Wu.

Actors : James Rebhorn, Willem Dafoe, Scott Speedman, Don Harvey,
Directors : Henry Miller,

A psychological thriller based on the concept of anamorphosis, a painting technique that manipulates the laws of perspective to create two competing images on a single canvas.

Actors : Tomer Sisley, Kristin Scott Thomas, Mélanie Thierry, Predrag 'Miki' Manojlovic,
Directors : Jérôme Salle,

After a powerful billionaire is murdered, his secret adoptive son must race to prove his legitimacy, find his father's killers and stop them from taking over his financial empire.

Actors : Dylan Baker, Anna Paquin, Rochelle Aytes, Brian Cox,
Directors : Michael Dougherty,

Five interwoven stories that occur on Halloween: An everyday high school principal has a secret life as a serial killer; a college virgin might have just met the guy for her; a group of teenagers pull a mean prank; a woman who loathes the night has to contend with her holiday-obsessed husband; and a mean old man meets his match with a demonic, supernatural trick-or-treater.

Actors : Robert Wisdom, Tanc Sade, Patton Oswalt, Simon Baker,
Directors : Daniel Waters,

A guy's life is turned around by an email, which includes the names of everyone he's had sex with and ever will have sex with. His situation gets worse when he encounters a femme fatale (Ryder) who targets men guilty of sex crime.