Police rushed to the Quincy Mall at 9:30 a.m. Monday after a mall employee spotted a suspicious white male with a gun.

Officers located the suspect, 18-year-old William Erickson of Quincy, in the fountain court area of the mall. He was found to be in possession of an Airsoft pistol as well as stolen property from Walmart, Hy-Vee, and Shopko. Erickson was arrested for Felony Retail Theft, Disorderly Conduct, and Possession of Alcohol by a Minor.  He was taken to the Adams County Jail.

According to the Adams County Circuit Clerk’s website, Erickson has a previous conviction for Retail Theft in Adams County. He was also scheduled to appear in court Tuesday regarding two pending Retail Theft cases.