David began CPR, the cardiopulmonary resuscitation he'd been trained for and the man he tried to help was the killer. <br /> <br />Click here to read more: http://nydn.us/1XfEphK <br /> <br />Follow our channel: http://www.dailymotion.com/NYDailyNews <br />Follow us on Twitter: http://www.twitter.com/nydnvideo <br />Friend us on Facebook: https://www.facebook.com/thenewyorkdailynews <br />Follow us on Tumblr: http://nydailynews.tumblr.com/
