Man sentenced to 13 years in Thornton bar killing; Mario Oliveros convicted of shooting Jose Horner

BRIGHTON, Colo. - A man has been sentenced to 13 years in prison for reckless manslaughter in a bar shooting in Thornton last year.

Mario Moses Oliveros was sentenced Wednesday after he was convicted in January by an Adams County jury in the shooting death of Jose Horner, of Westminster. He also was convicted of four counts of recklessly endangering other patrons of the bar.

The shooting took place after a disturbance at the bar in the early morning hours of Feb. 24, 2013 when Oliveros fired his gun at bar patrons. Jose Horner was shot in the head and killed. Oliveros fled the scene and was arrested that day. 

Senior Deputy District Attorney Mike Heinz said Oliveros has four previous felony convictions, including an incident that took place at the same bar in 2007. He said that Oliveros, who was barred from possessing a firearm because of his prior felony convictions, walked into the crowded bar with a concealed loaded handgun looking for trouble.

Heinz said he argued for a maximum sentence because of the high risk Oliveros poses to the community. 

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