(File Photo of a City of Aliquippa Police Department Car)

Noah Haswell, Beaver County Radio News

(Aliquippa, PA) A mother says her 12-year-old son chased down a masked man who stole her wallet outside a store in Aliquippa. 

Dispatchers confirmed police responded to the Dollar Tree along Brodhead Road on Thursday afternoon for a reported robbery. 

The victim told WPXI-TV the suspect ran from the scene after taking her wallet, but her son chased after him. 

According to the boy, the suspect got into a vehicle and drove away. He said he was able to provide police with a license plate number. 

The victim also said a Dollar Tree clerk told her the suspect had pulled a knife on her moments earlier inside the store. 

Aliquippa Police Department confirmed the incident remains under investigation.