In photos: This man's been in jail for 19 years, but the victim and witness say he's innocent

David Diaz has been behind bars for half of his 38 years. He is blamed for attempted homicide, although evidence suggests he has been the victim of an injustice.

Por:Isaías Alvarado

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At the age of 19, shortly before he was arrested, David Diaz posed with his sisters Angela and Darlene.

Familia Díaz

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He was accused of attempted murder in a shootout that occurred the night of July 14, 1998.

Familia Díaz

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Diaz was arrested on August 11, 1998, a month after the shooting, and has not returned home since.

Familia Díaz

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In 1999, a Los Angeles judge sentenced him to 37 years to life in prison, after a trial full of questions.

Familia Díaz

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The victim of the shooting, Remberto Preciado, testified before a jury that Diaz "was not the gunman" who shot him in the leg, he said in a letter sent to Univision News.

Isaias Alvarado

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He sees his family for only a few hours in the prison's visiting room.

Familia Díaz

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David Diaz, wearing a prison uniform, poses with his mother and other relatives during a state prison visit.

Familia Díaz

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The family of David Diaz: his sisters Angela and Darlene, and his mother Yolanda.

Isaias Alvarado

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Lawyers from the organization Project for the Innocent took on the case of Diaz, but have failed to gather new evidence.

Familia Díaz