What we do — and don’t — know about the gun-related arrests at Naperville’s Topgolf

For months now, gun-related arrests in the parking lot of Topgolf in Naperville have mounted, each the result of a similar chain of events.

Police, typically on a foot patrol, spot a firearm — in plain view, authorities say — inside a vehicle parked outside the 3211 Odyssey Court business. Officers set up surveillance, wait for the owner to return and, if that firearm is illegally possessed, make an arrest.

The familiar bust has happened again and again. But what is known about the arrests beyond their frequency?