October 5, 2011 12:04 am History of Helicopter, Pilot There are many possible theories on what caused the helicopter to crash into the East River Tuesday. Jonathan Dienst has more on the history of both the pilot, Paul P. Dudley, and the helicopter. Local 1:44 Officer shoots suspect in Chelsea: Police sources 5:34 VIDEO: Columbia University protesters takeover Hamilton Hall 3:01 I-Team: NYPD officers testify in surveillance video controversy 1:59 2 suspects charged with murder in Long Island body parts case 2:35 Extra NYPD patrols in Central Park after series of violent crimes