Las Vegas (CNN)In addition to his frequent forays into casinos and gun shops, Las Vegas strip killer Stephen Paddock took 20 cruises, many of them in Europe and the Middle East, investigators have learned. New video shows concertgoers fleeing scene 02:57 The cruises included stops at ports in Spain, Italy, Greece, Jordan and the United Arab Emirates, according to information provided by a law enforcement source who asked not to be identified because the source was not authorized to share information about the investigation. Paddock's girlfriend, Marilou Danley, accompanied him on nine of the cruises. [...] In the wake of...