Friday morning, we told the story of a Romanian man who flew on a United Dreamliner from London (LHR) to Los Angeles (LAX) without ever having booked a ticket. Worse yet, he wasn’t authorized to travel to the United States, which landed him — and the airline — in serious hot water upon Flight 935’s arrival in LA.From my discussions with the various parties involved, I’m fairly certain of the sequence of events:A female United passenger dropped her boarding pass in the terminal at LHRThe female passenger asked an agent to print another boarding passAn unidentified man, who is a Romanian citizen, found the lost boarding passWith said pass to LAX in hand, he decided to change his travel plans on the spotThe man successfully boarded United 935 to LAXUpon boarding, he sat in a random open economy seatAfter takeoff, United determined that there was an extra passenger onboardUS Customs and Border Protection met the Boeing 787 upon arrival at LAXPassengers were instructed to deplane one-by-oneThe stowaway was identified, questioned and taken into FBI custodyThe big question that remains is why United gate agents in London allowed him to board using a boarding pass in the name of another passenger, who also still managed to travel on the flight to LAX....