NYPD Police Commissioner O'Neil And NYC Mayor De Blasio Add Names Of Police Officers Killed In Line-Of-Duty To Memorial Wall

NEW YORK, NY - MAY 4: A member of the NYPD unveils new names on the Police Memorial Wall during a ceremony at One Police Plaza, the headquarters of the New York City Police Department (NYPD), May 4, 2018 in New York City. 27 members of the NYPD were added to the memorial wall on Friday, many of whom died in the line of duty or suffered life-altering injuries. Over 20 of the new names added to the memorial died as a result of illnesses believed to have been contracted during the recovery work at the site of the September 11, 2001 terrorist attacks on the World Trade Center. (Photo by Drew Angerer/Getty Images)