Former NYPD lieutenant, community activist dish on how gang activity has influenced 2015 murder spike

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Although overall crime in the city has gone 2.4 percent in the past year, the number of murders since then has risen to 5.5 percent and almost half of it can be attributed to gang activity.

Why is this number so high and where are the areas with the most gang activity?

Former NYPD Lt. Dr. Darrin Porcher and community activist Tony Herbert talks about about New York City's gangs.

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