Christopher Duran, 14, was shot in the head and torso in the Bronx on Friday, police said.
Officer Brian Moore had severe bleeding in his brain after Demetrius Blackwell shot him, sources said.
Sharieff Clayton and Ronald Murphy were fatally shot outside Emmanuel Church of God, police said.
Julian Douglas was arrested after police received a tip about the case, authorities said.
Dontea Bascom and a 13-year-old were shot while sitting in the housing complex's courtyard on Friday.
Michele Hernandez, 21, was shot in the head Saturday inside the Cosmopolitan Motel, police said.
Eduardo Morales, 23, was arrested for the death of Marco Huallpa, police said.
Derek Quattlebaum, 28, was shot by two gunmen Tuesday near the Van Wyck Expressway.
Rashaun Nicholson had just bought a gift for his wife, Fontaine.
The Brooklyn District Attorney announced plans Friday to present the shooting to a grand jury.
Ronnell Bradley was killed in what police believe was a gang-related shooting Tuesday afternoon.
Terrell Day was shot and killed inside the East River Houses, police said.
Fruitquana Hawkins, 33, is suspected of shooting coach Timothy Tripp in a bar in June, police said.
Amin Abdullah was charged with murder in connection with the fatal shooting of Alexis Anderson.
A Crown Heights man was found fatally shot inside his Prospect Place home, neighbors said.
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