FAIRFIELD (CBS SF) — The teenage victim of a shooting in Fairfield earlier this month has died of his injuries and the police department has changed the case into a homicide investigation, police said Tuesday.

Fairfield police identified the victim as 17-year-old Daniel Dejon Hughes, who passed away on Sunday. The shooting happened on the afternoon of April 4. on the 1000 block of Broadway St.

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Police said the department was working with the Solano County District Attorney’s Office on the appropriate charges.

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A suspect was identified as 18-year-old James Williams of Fairfield. Police said the shooting was an isolated incident and not gang-related.

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