The NYPD carried out a record 680,000 stop and frisk searches last year.
Stringer says 94% did not result in an arrest and 87% of people stopped were African-American or Latino men.
"Grandparents and parents of African American young men actually worry when they send their child out to get a quart of milk. They're not worried about the drug dealer, they're more worried about the interaction with the police," Stringer said.
The NYPD contends stop and frisk recovers hundreds of illegal guns each year and helps save lives.
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