Three of the victims were sitting on a Parkside Court stoop when they were shot, police said.
The two touted the "Summer All Out" program, but rapes continue to rise.
Gunfire at dice games recently left at least one person dead and others wounded.
Five people were shot, one killed, in three incidents near the NYCHA development this year.
The area's two shootings this year surpass last year's single incident.
The number of shooting victims has gone up in the 44th Precinct by over 150 percent.
Shootings in the 1st Precinct have been rare for at least the past 15 years, police say.
Both precincts have seen a roughly 30 percent decrease in shooting victims compared to last year.
The number of shootings in the area are on track to match last year's figures, according to NYPD data.
George Lowers, 32, fired multiple shots at a pair of brothers in Crown Heights, authorities said.
The murder happened on Saturday night at the corner of Clarkson Avenue near Prospect-Lefferts Gardens.
An argument between the two men turned violent on Carroll Street Thursday night, police said.
A man was shot in the butt and leg on Bedford Avenue near President Street, police said.
"Summer All Out" will see 330 officers sent out to patrol 10 precincts with rising crime.
NYPD Commissioner Bill Bratton said Monday that stop-and-frisk has little impact in deterring crime.
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