Chicago police say a 25-year-old man is now in custody in connection with an armed holdup at a Southwest Side business earlier this year, a robbery where two men were held at gunpoint inside a Garfield Ridge shop.
Authorities have identified the suspect as Sonny Costello. He faces six felony counts, including armed robbery with a firearm and aggravated robbery indicating a firearm, tied to the January 17 incident. Costello was arrested in Brighton Park and was scheduled for a detention hearing on Friday.
Arrest and charges
According to FOX 32 Chicago, officers picked up Costello on Thursday in the 3500 block of West Pershing Road in the Brighton Park neighborhood. He was charged with six felony counts connected to the reported holdup.
Police say the robbery took place in the 5800 block of South Archer Avenue in Garfield Ridge, where a 44-year-old man and a 31-year-old man were allegedly held at gunpoint during the stickup. Records cited by the outlet indicate Costello also had a November 2025 arrest on a retail-theft charge involving merchandise valued at more than $300. He was expected in court on Friday for a detention hearing.
Investigation and neighborhood context
Investigators have not said how many people they believe took part in the robbery, and police have not indicated whether they expect additional arrests. Detectives are still gathering evidence as the case moves forward.
Like many areas on the Southwest Side, the Garfield Ridge and Brighton Park neighborhoods can see big swings in both violent and property crime from year to year. The Chicago Police Department logs those incidents in a public database that residents, researchers, and reporters routinely comb through to spot trends or trouble spots. For official records and the full incident log, see the City of Chicago data portal.
Legal next steps
Prosecutors will decide whether to seek pretrial detention while the case is prepared for filing and any potential indictment. Under Illinois law, armed robbery while armed with a firearm is a Class X felony, one of the most serious categories, and it can bring significant additional prison time if a gun is present or discharged during the crime.
The framework for those firearm enhancements and sentencing ranges is outlined in state statutes and discussed in the Illinois Supreme Court's opinion in People v. Blair, available from the Illinois Supreme Court.
