As we mentioned, the new police chief of Sanford, Florida, where the Trayvon Martin shooting took place, has now issued new guidelines for neighborhood watch groups and volunteers. We wanted to hear more about that, so we've called NPR correspondent Greg Allen, who's been covering the story. Greg, thanks so much for joining us once again.
GREG ALLEN, BYLINE: Oh, my pleasure, Michel.
MARTIN: So what specifically are the major changes called for in these guidelines?
This is TELL ME MORE from NPR News. I'm Michel Martin. We're going to spend the first part of this hour talking about a case in Florida that drew so much national attention at the end of last year and the first part of is one. And that's the killing of the unarmed teenager Trayvon Martin by the neighborhood watch volunteer George Zimmerman in Sanford, Florida. Now the new police chief in Sanford, Florida has made some big changes in the Neighborhood Watch Program there and we'll tell you about those.
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