Overview

• On August 6, officers responded to reports of a gun-waving suspect who allegedly brandished a firearm at a motorist before entering the Mariano’s at 4700 Gilbert Ave. in La Grange, prompting La Grange and Western Springs police to evacuate and search the store before declaring it safe.
• Investigators arrested 18-year-old Ricardo A. Rivera of Riverside on August 7 in connection with the incident.
• Cook County prosecutors charged Rivera with aggravated unlawful use of a weapon plus aggravated assault.
• He is scheduled for a pretrial detention hearing on Friday.
• Authorities are urging anyone with information to call the La Grange Police Department tip line at (708) 579-2333 as the investigation continues.