NYPD Det. Steven McDonald’s funeral at St. Patrick’s Cathedral: See photos

A hero’s final send-off for NYPD Det. Steven McDonald began Friday, Jan. 13, 2017, as thousands of police officers filed into St. Patrick’s Cathedral in Manhattan.

McDonald, the quadriplegic NYPD officer who inspired generations by forgiving the teenager who shot him and overcoming his disabilities to remain an active cop, died Tuesday at North Shore University Hospital, officials said. He was 59.

Thousands of NYPD officers, officials and members of the public are expected to attend the funeral. See photos below.