Former NYPD detective Luis Alvarez died in hospice Saturday at the age of 53, after a three-year battle with cancer.<br /><br />Business Insider reports Alvarez's cancer was linked to his work searching in the toxic rubble for survivors and remains after 9/11.<br /><br />Before his death, Alvarez appeared before Congress to push for health benefits for responders in the Sept. 11, 2001, terrorist attacks. <br />
