Martin Kaste

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Law enforcement is increasingly worried about losing access to powerful tools for searching social media because of changing attitudes at the social media companies that allow the searches.

Copyright 2016 NPR. To see more, visit http://www.npr.org/.

Americans are seeing more homeless camps, especially on the West Coast. A number of cities there have declared emergencies over the problem, and as they struggle to find solutions, an angry debate has broken out about how much tolerance should be shown to illegal camps that crop up in public spaces.

The shooting of Keith Lamont Scott, a 43-year-old African-American man, by Charlotte, N.C., police is under investigation and the circumstances are very much in dispute, but when you listen to protesters, you hear that their frustration isn't about just this one case.

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