There have been 13 shootings in the 103rd Precinct this year and officals say gun seizures have helped.
Lee added memorials to Eric Garner, Mike Brown, John Crawford and Ezell Ford outside his studio.
Though the number of NYC shootings is up, NYPD Commissioner Bill Bratton said crime is down overall.
The latest data from police show that illegal gun recoveries have reached a new low.
The suspects were arrested in the deaths of Maodo Kane and another cabdriver, police said.
There will be more than 300 officers reassigned to precincts with the most shootings.
Shootings are up 8 percent this year, but the NYPD got some respite with fewer incidents this week.
Four people were shot within a 12-hour period this week, police said.
The commissioner said the nearly 10 percent rise in shootings was the reality of crime in the city.
Mayor de Blasio and NYPD Commissioner Bill Bratton have said existing staffing levels are sufficient.
A month after Mayor de Blasio heralded historic lows, new NYPD stats show a rise in homicides.
The number of shootings in the 103rd Precinct decreased by nearly 32 percent last year.
Police say shootings and other crimes keep turning up links to Ebbets Field.
The year-to-date updates will show a bigger crime drop than in 2012, according to the mayor's office.
Commissioner Ray Kelly joined Grandmother's Love Over Violence at a rally in Bed-Stuy on Tuesday.
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