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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

Thursday

The Child Cases: Lessons From Canada

Tammy Marquardt, now 39, spent 14 years in prison for a crime she didn't commit. Joseph Shapiro/NPR hide caption

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Joseph Shapiro/NPR

Post Mortem: Death Investigation In America

The Child Cases: Lessons From Canada

Tammy Marquardt is one of at least a dozen people prosecuted for killing children in Ontario based on what later turned out to be tainted medical evidence. In just the past few years, courts have overturned several of those convictions, and more are under review.

The Child Cases: Lessons From Canada

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Wednesday

Agency: Mine Operator Kept Two Sets Of Records

Mine helmets and painted crosses sit at the entrance to Massey Energy's Upper Big Branch coal mine on April 5, as a memorial to the 29 miners killed there one year earlier. Jeff Gentner/AP hide caption

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Jeff Gentner/AP

The Two-Way

Agency: Mine Operator Kept Two Sets Of Records

At the Upper Big Branch mine where 29 men died in April 2010, there was an internal set of reports about safety problems and another set kept for federal inspectors that didn't mention the hazards, federal officials say.

Howard Berkes on 'Morning Edition'

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Post Mortem: Death Investigation In America

Rethinking Shaken Baby Syndrome

The dispute over the common child abuse diagnosis is a bitter civil war. And now, the pediatric neurosurgeon who is credited with first observing the syndrome is speaking out for the first time about his concerns over how it is used in child abuse cases.

Rethinking Shaken Baby Syndrome

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Tuesday

$1 Billion In Coins That Nobody Wants

Millions of dollars worth of $1 coins languish in a vault at the Federal Reserve Bank of Richmond's Baltimore branch. John W. Poole/NPR hide caption

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John W. Poole/NPR

Presidential Dollar Coin Program

$1 Billion In Coins That Nobody Wants

A joint inquiry by NPR's Planet Money and Investigations teams found that more than $1 billion of unused dollar coins are the wasteful byproducts of another failed congressional effort to replace the dollar bill in everyday commerce.

$1 Billion In Coins That Nobody Wants

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Child Death Cases Repeatedly Mishandled

NPR News Investigations, ProPublica and PBS Frontline analyzed nearly two dozen cases in which people have been accused of killing children based on flawed work by forensic pathologists. Some of the accused were later cleared. Others are still in prison. Read the complete investigation.

Child Death Cases Repeatedly Mishandled

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The Child Cases: Guilty Until Proved Innocent

Ernie Lopez is serving a 60-year prison sentence for a crime he, and medical experts, said he didn't commit. Courtesy of Frontline hide caption

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Courtesy of Frontline

Post Mortem: Death Investigation In America

The Child Cases: Guilty Until Proved Innocent

NPR News Investigations, ProPublica and PBS Frontline analyzed nearly two dozen cases in which people have been accused of killing children based on flawed work by forensic pathologists. Some of the accused were later cleared, others like Ernie Lopez, remain in prison.

Listen to Ernie Lopez's Story

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Thursday

Wednesday

Tuesday

Friday

Wednesday

Thursday

Report Rips Massey For 'Deviation' From Safety Rules

Two officers with the Raleigh County Sheriff's Office stand guard in front of the Upper Big Branch coal mine several days after the April 5, 2010, explosion that killed 29 workers in Montcoal, W.Va. Mark Wilson/Getty Images hide caption

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Mark Wilson/Getty Images

Mine Safety In America

Report Rips Massey For 'Deviation' From Safety Rules

The first independent investigative report about last year's disaster at the Upper Big Branch mine was released Thursday. It details the corporate and government failures that led to an explosion that killed 29 mine workers in West Virginia.

Report Rips Massey For 'Deviation' From Safety Rules

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Thursday