(STMW) — Three people, including a brother and sister, are charged with robbing a Gage Park neighborhood store at gunpoint and critically wounding a witness who followed them from the scene.

Jose Guerra, Estevan Rosario and his sister Gabrielle Contreras are accused of robbing a store in the 4300 block of West 51st Street at gunpoint on Dec. 14, police said.

The trio fled in a car, and a 36-year-old man followed in his own car until he was shot in the head in the 5400 block of South Komensky Avenue, police said. The man was taken in critical condition to Mount Sinai Hospital.

Tactical officers saw a man drop a handgun in the 5800 block of South Fairfield Avenue about 8:20 p.m. Sunday and recognized the weapon from investigations into recent robberies, police said.

Contreras, 21, of the 5800 block of South Fairfield Avenue, was charged with one count each of armed robbery with a firearm and aggravated battery for discharging the weapon, police said.

Guerra, 19, of the 5800 block of South Fairfield Avenue, was charged with unlawful use of a weapon, possession of a firearm by a felon, aggravated battery with a firearm, armed robbery with a firearm and violation of parole, police said.

Rosario, 17 of the 2800 block of West 59th Street, was charged with aggravated battery with a firearm and armed robbery with a firearm, police said.

On Thursday, Judge Donald Panarese Jr. ordered Rosario held on a $750,000 bond and Contreras on $500,000, Cook County State’s Attorney’s office spokesman Andy Conklin said. Guerra appeared in court Wednesday and was ordered held on a $750,000 bond.

All three will appear in South Felony Court at 155 W. 51st St. for a preliminary hearing on Jan. 14.

(Source: Sun-Times Media Wire © Chicago Sun-Times 2013. All Rights Reserved. This material may not be published, broadcast, rewritten, or redistributed.)

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