Devin Barron

Devin Barron

A third person has been charged in the shooting death of retired Chicago Fire Department Lt. Dwain Williams.

Devin Barron, 20, of Lynwood, was charged with first-degree murder, aggravated unlawful use of a loaded weapon and possession of 10-30 grams of marijuana; he also was wanted on three warrants for his arrest.

The Chicago Police Department said Barron was taken into custody in Lansing on Dec. 26 by the U.S. Marshals Great Lakes Regional Fugitive Task Force.

Dwain Johnson, 18, of Gary, Ind., and a 15-year-old male were arrested on Dec. 16 and face first-degree murder charges.

Police said Williams was killed Dec. 3 outside a business at 118th Street and Western Avenue. As Williams left a popcorn shop, police said, several offenders exited a vehicle, and gunfire was exchanged. Williams was shot once in the stomach and later died at Advocate Christ Medical Center.