CHICAGO (CBS) -- A 15-year-old boy has been charged with first-degree murder in the shooting death of retired Chicago Fire Department Lt. Dwain Williams, who was killed in a carjacking attempt two weeks ago in Morgan Park. Another person is in police custody, and detectives are searching for two other suspects.
Police believe the group is part of a larger carjacking ring.
The name of the boy who was charged is not being released because he was charged as a juvenile. Cook County prosecutors said he was scheduled to appear in Juvenile Court on Thursday morning.
Police have said, around 2 p.m. on Dec 3, Williams, 65, was leaving the Let's Get Poppin popcorn store at 11758 S. Western Ave. and was walking to his vehicle, when a four-door dark-colored sedan pulled up and four males got out and bum rushed him.
The carjackers fired at Williams, and Williams returned fire. Williams was shot in the abdomen and was later pronounced dead at Advocate Christ Medical Center in Oak Lawn.
Last week, police released surveillance video showing Williams' attackers storming out of another car as Williams walks up to his own. An exchange of gunfire follows.
Three of the suspects are shown on the video, while the fourth was behind the wheel of the other stolen car, police said.
Two of the suspects seen in the video were wearing black pants, black hooded jackets and white gym shoes, and the third was wearing a blue hooded jacket, blue pants, and also white gym shoes.
Police said the stolen car in which the suspects pulled up, a Ford Fusion, was recovered in Tinley Park.
Chicago Police Chief of Detectives Brendan Deenihan said evidence from that car helped police obtain arrest warrants for two people, including the 15-year-old who was charged. A second suspect, an adult, was in custody on Thursday and was being questioned in the case.
Detectives also have recovered a gun in the case and are conducting forensic tests to determine if it's the murder weapon.
CPD Supt. David Brown said investigators are still searching for two other suspects.
Anyone with information was asked to call Area Two detectives at (312) 747-8271 or to make an anonymous tip to CPDTIP.com.
"Here is a man that gave his life to the city – retired; finally was able to retire and try to enjoy his life, and now his life has been taken," Walker said last week. "If someone out here that knows who these individuals are, do the right thing."
He said a portion of the reward funds could be given to a recipient immediately, particularly in case those funds are needed to move or relocate.
"We want justice for this family," he said.
Community activist Andrew Holmes, a friend of Williams', minced no words in talking directly to the shooters.
"If this was your father. To the shooters, you're going to have a son one day, if you don't already have one," Holmes said. "What if he lose you if somebody did this to you?"
A reward for information leading to arrests in the case is up to $33,000.
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