OXNARD (CBSLA.com) — This weekend marks the 12-year anniversary for the unsolved murder of a 15-year-old developmentally disabled victim.

According to the Oxnard Police Department, on Nov. 2, 2002, Steven Miinster was shot around 11:00 p.m. on the street just outside his home, located in the 200 block of Bryce Canyon Avenue.

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Miinster was transported to a hospital, but later succumbed to his injuries a short time later, officers explained.

A preliminary investigation revealed that Miinster was inside of his home shortly before his murder.

He reportedly received a telephone call from an unknown female that asked him to meet her outside.

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Miinster left his home and walked a few feet around the corner where he was shot.

According to police, anonymous tips have lead officers to believe the suspect and circumstances behind the homicide is known.

Officers explained Miinster was not associated with any gangs and had attended Hueneme High School.

City officials have offered a $10,000 reward for information leading to the arrest and conviction of those responsible for Miinster’s death.

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Anyone with information is urged to contact police at (805) 385-7740.