NY police officers killed
A police hat is palced at a makeshift memorial for two NYPD officers who were fatally shot, in Brooklyn, New York, Dec. 25, 2014.
NYPD officers Wenjian Liu and Rafael Ramos were shot and killed as they sat in a marked squad car in Brooklyn on Saturday afternoon, Dec. 20, 2014. The suspect in the shooting then shot and killed himself, according to Police Commissioner William Bratton.
Police officers killed
New York City Police officers embrace on December 23, 2014 as they visit a makeshift memorial at the site where two of their fellow police officers were fatally shot in Brooklyn, New York.
NYPD officers, Wenjian Liu and Rafael Ramos were shot and killed as they sat in a marked squad car in Brooklyn on Saturday afternoon, New York Police Commissioner William Bratton said. The suspect in the shooting then shot and killed himself.
Police officers killed
At New York City Hall, New York Mayor Bill de Blasi, right, and his wife Chirlane McCray observe a moment of silence at 2:47pm, the time two New York Police Department officers were murdered last Saturday, on Dec. 23, 2014.
Police officers killed
New York City police officers Mark Cava (L) and Jason Muller (R) of the 78th Precinct lead a moment of silence in remembrance of two NYPD officers slain in Brooklyn, New York, Dec. 20, 2014, prior to a game between the Detroit Pistons and Brooklyn Nets at Barclays Center, Dec. 21, 2014
Police officers killed
Residents, clergy, police and journalists gather around a memorial Dec. 21, 2014 during a vigil for two New York City police officers at the site in Brooklyn, New York where they were killed, Dec. 20.
The police officers were shot execution style Saturday afternoon as they sat in their marked police car on a Brooklyn street corner. The suspect allegedly shot his girlfriend in Baltimore earlier on Saturday.
Police officers killed
Residents and area church members sing at a vigil Dec. 21 for two New York City police officers at the site where they were killed, Dec. 20, 2014.
Police officers killed
A New York Police Department badge rests among candles and flowers at a makeshift memorial Dec. 21 for two New York City police officers at the site where they were killed in Brooklyn, New York, Dec. 20, 2014.
Police officers killed
People sing Dec. 21 during a prayer vigil at the site where two police officers were fatally shot in the Brooklyn, New York, Dec. 20, 2014.
NYPD officers, Wenjian Liu and Rafael Ramos were shot and killed as they sat in a marked squad car in Brooklyn on Saturday afternoon.
Police officers killed
A woman kneels at a memorial Dec 21 during a vigil for two New York City police officers at the site where they were killed in New York City, Dec. 20, 2014.
Police officers killed
Donna Salvaggio (L) and a woman who gave her name as Reverend Jordan hug at a makeshift memorial at the site where two police officers were shot in the head in the Brooklyn borough of New York, December 21, 2014. The NYPD officers, Wenjian Liu and Rafael Ramos were shot and killed as they sat in a marked squad car in Brooklyn on Saturday afternoon, New York Police Commissioner William Bratton said. The suspect in the shooting then shot and killed himself, Bratton said at a news conference at the Brooklyn hospital where the two officers were taken.
Police officers killed
New York Police Department (NYPD) Commissioner William Bratton places flowers at a makeshift memorial where one day earlier two police officers were fatally shot in the Brooklyn, New York Dec. 21, 2014.
Police officers killed
A message in memory of slain NYPD officer Rafael Ramos is written on a car near his childhood home in Brooklyn, New York, Dec. 21, 2014.
Police officers Wenjian Liu and Rafael Ramos, from the 84th Precinct, were shot and killed execution-style as they sat in their patrol car in Brooklyn, Dec. 20, 2014.
Police officers killed
A wreath rests at a makeshift memorial Dec. 21, 2014 at the scene where two police officers were fatally shot in the Brooklyn, New York, Dec. 20, 2014.
The two New York City police officers, Wenjian Liu and Rafael Ramos, were fatally shot as they sat in a marked squad car in Brooklyn Saturday afternoon. The suspect in the shooting, Ismaaiyl Abdula Brinsley, then shot and killed himself.
Police officers killed
A woman kneels and prays at a makeshift memorial at the scene were two police officers were killed in the Brooklyn, New York the night before, Dec. 21, 2014.
Police officers killed
Gwen Carr (C), Eric Garner's mother, and Esaw Garner (L) Garner's widow, attend a press conference denouncing the shooting deaths of two New York Police Department (NYPD) officers Dec. 20 at the National Action Network in New York City, Dec. 21, 2014.
The press conference follows the execution-style shooting of officers, Wenjian Liu and Rafael Ramos in Brooklyn, Dec. 20, 2014 where the suspect was apparently motivated by the deaths of Eric Garner and Michael Brown.
Police officers killed
Police officers lay flowers at a makeshift memorial at the scene were two police officers were fatally shot in Brooklyn, New York, Dec. 21, 2014.
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An ambulance carrying one of the two New York Police officers who were killed passes by a New York Fire Department honor guard along Broadway in Brooklyn, New York, Dec. 20, 2014.
Police officers killed
New York Fire Department personnel salute as an ambulance and motorcade carrying one of the two New York Police officers who were killed passes by a New York Fire Department honor guard along Broadway in the Brooklyn, New York, Dec. 20, 2014.
A gunman, identified at Ismaaiyl Brinsley, ambushed and fatally shot two New York police officers Saturday afternoon and then killed himself.
Police officers killed
Police officers salute as vehicles, containing the bodies of two New York police officers who were shot and killed, drive by in Brooklyn, New York, Dec. 20, 2014.
Police officers killed
Flowers rest at a makeshift memorial outside the 84 precinct after the killing of two police officers in Brooklyn,
Police officers killed
A silver semi-automatic Taurus firearm, which police said was recovered on the subway platform near the body of 28-year-old shooting suspect Ismaaiyl Brinsley, is seen in a photograph provided by the New York Police Department, Dec. 20, 2014.
Brinsley ambushed and fatally shot two New York City police officers on Saturday and then killed himself, police said.
Police officers killed
New York City Patrolmen's Benevolent Association president Pat Lynch speaks to the media at Woodhull Hospital about the two New York police officers who were killed in Brooklyn, New York, Dec. 20, 2014.
Lynch spoke out against New York City Mayor Bill de Blasio stating, "That blood on the hands starts on the steps of City Hall, in the office of the mayor."
Police officers killed
A photo of Ismaaiyl Brinsley is seen overlaid on the scene of the shooting of two NYPD officers execution-style Saturday afternoon as they sat in their marked police car on a Brooklyn street corner in New York City, on Dec. 20, 2014.
Main photo: Spencer Platt/Getty Images
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Police officers killed
A police officer wears a black mourning band wrapped around his badge as he stands outside the 84 precinct following the death of two police officers in Brooklyn, New York Dec. 20, 2014.
A gunman ambushed and fatally shot two New York City police officers on Saturday and then killed himself.
Police officers killed
The New York Police Department released photos of slain New York police officers Wenjian Liu (L), 32 and Rafael Ramos (R), 40.
The officers were killed execution-style Saturday afternoon as they sat in their marked police car on a Brooklyn street corner. The suspect then killed himself inside a nearby subway station.
Police officers killed
A police officer reacts to New York City Police Commissioner William J. Bratton and Mayor Bill de Blasio at a news conference at Woodhull Hospital following the killing of two New York City police officers, Dec. 20, 2014.
The officers were killed execution-style Saturday afternoon as they sat in their marked police car on a Brooklyn street corner.
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New York Mayor Bill de Blasio speaks at a news conference at Woodhull Hospital about the two New York police officers who were fatally shot in Brooklyn, New York, Dec. 20, 2014.
Police officers killed
New York Police Commissioner William Bratton (R) speaks as New York Mayor Bill de Blasio looks on at a news conference at Woodhull Medical Center in Brooklyn, New York, Dec. 20, 2014.
A gunman who had posted anti-police statements on social media ambushed and fatally shot two New York police officers as they sat in their squad car on Saturday and then killed himself, police said. The officers were killed without warning in their marked police car as they were on duty in the Bedford-Stuyvesant section of Brooklyn, Bratton told the news conference flanked by De Blasio.
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New York City Police Commissioner William J. Bratton is joined by Mayor Bill de Blasio at a news conference at Woodhull Hospital following the killing of two police officers in New York City, Dec. 20, 2014.
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Policemen patrol the scene of a shooting where two New York Police officers were shot in the head in the Bedford-Stuyvesant neighborhood of Brooklyn, Dec. 20, 2014 in New York City.
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People arrive at Woodhull Hospital after two New York police officers were shot and killed in the Brooklyn borough of New York City, Dec. 20, 2014. The officers, who had been shot in the head, both died at the hospital.
Police officers killed
The scene at a shooting where two New York City police officers were killed execution-style Saturday afternoon as they sat in their marked police car on a Brooklyn street corner in New York City, Dec. 20, 2014.
The suspect, who killed his girlfriend in Baltimore earlier in the day, was apparently motivated by the deaths of Eric Garner and Michael Brown.
Police officers killed
A police officer wipes tears away from his face as he walks away from the scene of a shooting where two New York Police officers were shot dead in the Brooklyn borough of New York, Dec. 20, 2014.
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Forensic officers examine the scene of a shooting where two New York police officers were shot in the Brooklyn, New York, Dec. 20, 2014.
A gunman shot the two officers in the head as they sat in their squad car on Saturday and then turned his weapon on himself.
Police officers killed
Police patrol the location where two New York police officers were shot in the Bedford-Stuyvesant neighborhood of Brooklyn, New York, Dec. 20, 2014.
Police officers killed
Police officers stand watch at the scene where two New York City police officers were killed execution-style Saturday afternoon as they sat in their marked police car on a Brooklyn street corner in New York City, Dec. 20,2014.
Police officers killed
Bulletproof vests lie on each side of an NYPD patrol car as investigators work at the scene where two NYPD officers were shot and killed in the Bedford-Stuyvesant neighborhood of the Brooklyn borough of New York on Saturday, Dec. 20, 2014.
A gunman fatally shot the officers as they sat in their squad car on Saturday before killing himself inside a nearby subway station.
Police officers killed
Police patrol the location where two New York Police officers were shot in Brooklyn, New York, Dec. 20, 2014.
Police officers killed
Investigators work at the scene where two NYPD officers were shot and killed, Saturday in the Bedford-Stuyvesant neighborhood of Brooklyn in New York City, Dec. 20, 2104.