Author - Nicole Brown and Alison Fox
The boy was killed after being dragged out of a Bronx bodega, police said.
Residents expressed worries that "nothing's going to change" during a town hall meeting.
All the victims were 21 years old or younger, police said.
The victims were two young boys, two teenage girls and a young woman.
The suspect "came here to target male blacks," Chief of Manhattan Detectives William Aubry said.
An off-duty NYPD Traffic Enforcement Agent was charged with driving under the influence, police said.
Police searched three locations but did not find any device, the NYPD said.
The man was found with two zip ties around his neck, police said.
All three cases originated on the same block in the Bronx, health officials said.
The protesters took part in a Muslim sunset prayer.
The suspect fled in a tan vehicle, police said, but there were no further details.