Southwest had planned to handle the situation as `` an internal vandalism issue , '' a memo from Mike Van de Ven stated , but a company employee called in a tip to ABC15 , after information about the investigation was posted in a memo on the company 's internal blog . Employees received an internal complaint about markings on planes . Southwest is working with local , federal officials to find vandals . They told local media , ' the markings appear to be Arabic . ''
Employees received an internal complaint about markings on planes . Southwest is working with local , federal officials to find vandals . They told local media , ' the markings appear to be Arabic . ''