One mystery centers around his final moments inside a hospital, where two still-unidentified individuals pushed their way into the elevatorcab that Paul had been raced into ignoring the appeals of medics who said it was overloaded.
Mr. Younghein says Meridrew developed the cloth two years ago originally for the iPhone at the request of Apple, because the company was worried about people holding the phone close to their faces after touching cab doors, elevator buttons and other places where germs could be lurking.