City Public Advocate Letitia James on Thursday proposed a pilot program that would outfit dozens of New York Police Department officers in high-crime precincts with body-mounted cameras.

"This summer we've seen some really powerful images in Missouri and New York City in the aftermath of … Michael Brown and Eric Garner," Ms. James said. Cameras, she said, "would go a long way toward providing an objective record of what happened either before or after an incident."

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