I think it's a reference to people pulling things from the passenger's past that seem of little relevance. http://www.courier-journal.com/story/news/local/2017

I think it's a reference to people pulling things from the passenger's past that seem of little relevance. http://www.courier-journal.com/story/news/local/2017/04/11/david-dao-passenger-removed-united-flight-doctor-troubled-past/100318320/ http://www.courier-journal.com/story/news/local/2017/04/11/d...