Out of 54,868 homicides in 55 cities over the past decade, 50 percent did not result in an arrest.

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Stories in this series

  • Where killings go unsolved The Post has mapped more than 52,000 homicides in major American cities over the past decade and found that across the country, there are areas where murder is common but arrests are rare.
  • An unequal justice In the past decade, nearly 26,000 murders have gone without an arrest in major American cities. Of those, more than 18,600 of the victims — almost three‑quarters — were black.
  • Buried under bodies Even with murder rates falling, big-city detectives face daunting caseloads. For many, new homicides are coming in faster than detectives can solve them.
  • ‘Ain’t nobody been locked up. And they ain’t trying to solve nothing.’ More than 2,000 people will be shot in Chicago this year. Most will live, but most of their shooters will never be caught.
  • Witness to the killing In many homicides, police believe they know the killer's identity but can't get a witness to cooperate.

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