"The Black Dahlia", directed by Brian de Palma

In 1946, the former boxers Dwight "Bucky" Bleichert and Lee Blanchard are policemen in Los Angeles. Lee has a good relationship with his chief and uses a box fight between them to promote the department and get a raise to the police force. They succeed and are promoted to homicide detectives, working together. Bucky becomes a close friend of Lee and his girlfriend Kay Lake, forming a triangle of love. When the corpse of the aspirant actress Elizabeth Short is found mutilated, Lee becomes obsessed to solve the case called by the press Black Dahlia. Meanwhile, Bucky's investigation leads him to a Madeleine Linscott, the daughter of a powerful and wealthy constructor that resembles the Black Dahlia. In a environment of corruption and lies, Bucky discloses hidden truths. Written by Claudio Carvalho, Rio de Janeiro, Brazil
Source: imdb.com

My opinion: It is a good movie. Brian de Palma make it xtremly frightening in some special sequences (the big smiley crazy mama)and at the same time keep it calm. One critic... it's too long, almost 2 hours and you start to get chill at the very end of the story... when the puzzle starts to be clear. Otherwise it's good!