What did they know? Authorities are investigating relatives of San Bernardino, Calif., shooters Syed Farook and Tashfeen Malik <br /> <br />Click here to read more: http://nydn.us/1YU5utL <br /> <br />Subscribe to our channel: https://www.youtube.com/user/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/
