A package store employee in Monroe is being credited by police with saving customers lives when a man with a gun walked into the store.  News 12 reports that Monroe Police responded to 574 Wines on Monroe Turnpike Saturday afternoon  on a report of a man being spotted on surveillance pointing a loaded gun outside the store.  An employee ushered 3 customers through a back door and locking themselves in a bathroom.  Police say a gun was found on the floor of a van owned by a 60-year-old.