officer wenjan liu who was ambushed and middlebrook lynn last month with his partner was laid to restoday. matt rivers has got the latest. >> reporter: thousands of police officers lined the funeral procession including dozens of philadelphia's finest who went to new york city to lend their support. >> ♪ >> reporter: somber notes played under gray sunday skies in new york city as officers wenjan liu was laid to rest. his wife sobbed as officers handed her the flag from his casket her emotion laid bear as she spoke at the off and only. >> wenjan my hero. we can always count on him. >> reporter: new york city mayor bill deblasio attended the funeral but many police officers turned their backs when he spoke. nypd union officials criticize the the mayor for not supporting the police department in the days after the attack and backs were in your own words protest. overall however the day's events were about showing support for a grieving family wenjan will always live in our hearts, my heart. we love you. i love you. >> executed like these two officers were it hits home. >> reporter: offic