Surveillance footage has gone viral of the shooting death of two customers who were eating at the JJ Fish & Chicken location at 7828 S. Western Ave on Chicago's south side. It was later learned that the assailant was Mehdi Medellel, 42, who worked at the restaurant. A worker told WGN News , "I thought he was a nice guy; I don't know what triggered him to do that or want to harm someone who was in the store with us." The female employee continued, explaining that one of the cu