Investigations Read the latest from NPR's investigative team. If you have solid tips or documents on stories we should probe, please send them to us.

Investigations

Monday

Sgt. Victor Medina suffered brain damage in 2009 when a roadside bomb exploded in Iraq. Blake Gordon/Aurora Photos hide caption

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Blake Gordon/Aurora Photos

Monday

Thursday

Unlike the medical examiner's office in New Mexico, which routinely autopsies sudden or violent deaths, most U.S. hospitals perform postmortem examinations only rarely. John W. Poole/NPR hide caption

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John W. Poole/NPR

Tuesday

Dollar coins gathering dust in the Fed's Baltimore brach. John W. Poole/NPR hide caption

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John W. Poole/NPR

White House Kills Dollar Coin Program

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Friday

Mine Disaster Report Signals Safety Agency Failure

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Monday

Dr. Alex Dromerick co-directs the Brain Research Center at the National Rehabilitation Hospital. Here he observes Stephen Jones, a policeman who was involved in a motorcycle accident. Becky Lettenberger/NPR hide caption

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Becky Lettenberger/NPR

Thursday

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N.Y. Town Unites, Exposes Pollution-Monitoring Flaws

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The Ash Grove Cement Kiln, as seen from an aerial photograph, sits on the northern edge of Chanute, Kan. David Gilkey/NPR hide caption

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EPA Regulations Give Kilns Permission To Pollute

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Jeff Galemore leans on his pickup truck near the Ash Grove Cement plant in Chanute, Kan. He and his family are concerned about the toxic emissions and are fighting for independent testing downwind. David Gilkey/NPR hide caption

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David Gilkey/NPR

Monday

The Continental Carbon plant sits on the southern outskirts of Ponca City, Okla. Until August, the plant was on an internal EPA "watch list," for violating rules of the Clean Air Act. David Gilkey/NPR hide caption

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David Gilkey/NPR

Secret 'Watch List' Reveals Failure To Curb Toxic Air

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The Continental Carbon plant sits on the southern outskirts of Ponca City, Okla. Residents blamed the plant, which produces a black dust known as carbon black, for polluting their city. David Gilkey/NPR hide caption

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Oklahoma Town Battles Powdery Carbon Pollution

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Monday

Dwayne Stenstrom and his wife, Rose, live on South Dakota's Rosebud reservation, where they raised six children. Also pictured is their granddaughter. John Poole/NPR hide caption

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Friday