20-year-sentence for fatal shooting of 19-year-old Jonathan Santiago in 2013 in Humboldt Park

Chicago Sun-Times Wire

Lord Byron Mancilla | Cook County Sheriffs Dept.

Lord Byron Mancilla | Cook County Sheriffs Dept.

A man was sentenced to 20 years in prison Tuesday for shooting 19-year-old man Jonathan Santiago to death three years ago in the West Side Humboldt Park neighborhood.

Lord Byron Mancilla pleaded guilty to one count of first-degree murder before Judge Thomas J. Byrne on July 13, according to Cook County court records.

About 2:45 a.m. on April 13, 2013, Santiago and two friends were sitting in a car smoking in the 3300 block of West Beach when several suspicious cars passed by, prosecutors said at the time.

They started walking toward one of their homes when Mancilla and another man stepped out of a gangway and confronted them, prosecutors said.

Jonathan Santiago | Facebook

Jonathan Santiago | Facebook

What’s up b–-?” Mancilla allegedly said as he started shooting.

Santiago, of the 900 block of South Homan, was shot multiple times and was taken to a hospital by his friends, but later died, authorities said.

Mancilla gave the gun to someone to hide, and a gang member was later arrested with the gun, which matched the bullet found in the victim.

Mancilla was arrested two months later and identified in a lineup by the two friends who were with Santiago when he was shot, prosecutors said.

Judge Byrne sentenced Mancilla to 20 years in prison Tuesday, according to court records. He will receive credit for 1,154 days served in the Cook County Jail, and will have to serve three years of supervised release.

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