Crime Films That Leave You Guessing

Description: Francis Ford Coppola's film about a surveillance expert who becomes paranoid about the implications of a conversation he records ends with an ambiguous conclusion that leaves the audience pondering the true nature of the events.

Fact: The film was inspired by Michelangelo Antonioni's "Blow-Up," which also deals with themes of surveillance and paranoia.

Description: David Fincher's dark thriller about a serial killer who uses the seven deadly sins as his modus operandi ends with a twist that leaves the audience pondering the moral implications and the fate of the characters.

Fact: The film was originally rated NC-17, but it was edited to secure an R rating.

Description: This film is a masterclass in misdirection, leaving audiences questioning the identity of Keyser Söze right up to the very end. Its twist ending is one of the most famous in cinema history, making it a perfect fit for this list.

Fact: Kevin Spacey's character, Verbal Kint, was inspired by a real-life criminal who had a similar limp and speech impediment.

Description: Steven Soderbergh's film about an ex-con seeking revenge for his daughter's death ends with a series of events that leave the audience questioning the protagonist's fate and the resolution of his quest.

Fact: The film uses non-linear storytelling, with scenes from different times intercut to create a sense of disorientation.

Description: Martin Scorsese's remake of the Hong Kong film "Infernal Affairs" leaves viewers with a sense of uncertainty about the future of the characters, especially with the film's abrupt and shocking conclusion.

Fact: The film was originally set in Boston, but the accents were so bad that they had to be redubbed for the British release.

Description: The Coen Brothers' adaptation of Cormac McCarthy's novel leaves the fate of the main characters up in the air, providing a bleak and open-ended conclusion that resonates with the film's themes.

Fact: The film's title is taken from the first line of W.B. Yeats' poem "Sailing to Byzantium."

Description: Christopher Nolan's tale of rival magicians leaves viewers questioning the true nature of the magic and the sacrifices made, with an ending that can be interpreted in multiple ways.

Fact: The film's title refers to the final part of a magic trick, where the magician reveals the trick's secret.

Description: While not strictly a crime film, its heist-like structure and the ambiguity of whether the protagonist is still dreaming or has returned to reality make it a fascinating addition to this list.

Fact: The spinning top in the film was actually Christopher Nolan's own personal totem.

Description: This Dutch thriller about a man searching for his missing girlfriend ends with a chilling ambiguity that leaves viewers with a sense of unease and uncertainty.

Fact: The film was remade in Hollywood in 1993, but the ending was changed to be less ambiguous.

Description: Another Nolan film, this one plays with time and memory, leaving the audience to piece together the narrative and question the reliability of the protagonist's memory, resulting in an open-ended conclusion.

Fact: The film was shot in reverse order to help the actors understand their characters' motivations.