Bill Bratton

The heads of the NYPD's five unions met with Police Commissioner Bill Bratton Wednesday. 

Mayor de Blasio and Bratton announced a 4.6 percent drop in serious crime in 2014.

Liu was killed along with his partner, Det. Rafael Ramos, by gunman Ismaaiyl Brinsley.

Police, grieving relatives and the mayor attended Saturday's wake for Detective Wenjian Liu in Brooklyn.

NYPD Commissioner Bill Bratton said that 15 arrests have been made related to threats on social media.

Aides to de Blasio asked Democrats to blast Pat Lynch and officers who turned their backs on mayor.

Mayor Bill de Blasio was met with boos and jeers when he spoke to graduating NYPD officers.

Rafael Ramos, 40, was memorialized at Christ Tabernacle in Glendale on Saturday morning.

One of the police unions circulated letters to keep the mayor and the speaker from officers' funerals.

Detectives hope some New Yorkers will remember seeing Ismaaiyl Brinsley in Fort Greene or Bed-Stuy.

Mayor Bill de Blasio addressed the Police Athletic League on Monday.

Mayor Bill de Blasio and Bill Bratton visited the families of Officers Wenjian Liu and Rafael Ramos.

Bratton made the comments two days after Officers Wenjian Liu and Rafael Ramos were killed.

Cardinal Timothy Dolan urged "unity and calm" during Sunday Mass, which Mayor Bill de Blasio attended.

Two Bed-Stuy officers were killed by a man who had boasted on Instagram of plans to kill police.