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

Adrian Lamo (center) walks out of a courthouse in Fort Meade, Md., where Chelsea Manning's court-martial was held, on Dec. 20, 2011. Patrick Semansky/AP hide caption

toggle caption
Patrick Semansky/AP

The Mysterious Death Of The Hacker Who Turned In Chelsea Manning

  • Download
  • <iframe src="https://www.npr.org/player/embed/760317486/761885628" width="100%" height="290" frameborder="0" scrolling="no" title="NPR embedded audio player">

Razor wire tops the fence of the U.S. prison at Guantánamo Bay, Cuba, on October 23, 2016. John Moore/Getty Images hide caption

toggle caption
John Moore/Getty Images

Guantánamo Whistleblower Alleges 'Gross' Waste

  • Download
  • <iframe src="https://www.npr.org/player/embed/760077405/760077406" width="100%" height="290" frameborder="0" scrolling="no" title="NPR embedded audio player">
  • Transcript

Whistleblower Cites 'Waste Of Funds' At Guantánamo Court And Prison

  • Download
  • <iframe src="https://www.npr.org/player/embed/759699196/759699197" width="100%" height="290" frameborder="0" scrolling="no" title="NPR embedded audio player">
  • Transcript

An NPR investigation finds that the military court and prison at Guantánamo Bay, Cuba, have cost taxpayers billions of dollars, with billions more expected. The war court headquarters at Camp Justice, as seen through a broken window at an obsolete air hangar at the U.S. Navy base at Guantánamo Bay, Cuba, on February 28, 2015. Emily Michot//Miami Herald/Tribune News Service via Getty Images hide caption

toggle caption
Emily Michot//Miami Herald/Tribune News Service via Getty Images

Guantánamo Has Cost Billions; Whistleblower Alleges 'Gross' Waste

  • Download
  • <iframe src="https://www.npr.org/player/embed/759523615/759899492" width="100%" height="290" frameborder="0" scrolling="no" title="NPR embedded audio player">
  • Transcript

Jeanetta Churchill stands outside of her Baltimore row house. She says she has to keep her air running constantly in the summer in order to manage her bipolar disorder. Nora Eckert/NPR hide caption

toggle caption
Nora Eckert/NPR

How High Heat Can Impact Mental Health

  • Download
  • <iframe src="https://www.npr.org/player/embed/757034136/757424159" width="100%" height="290" frameborder="0" scrolling="no" title="NPR embedded audio player">
  • Transcript

A tree grows beneath a power line in the Park DuValle neighborhood of Louisville, Ky. Urban environments can be especially harsh on trees. Sean McMinn/NPR hide caption

toggle caption
Sean McMinn/NPR

Trees Are Key To Fighting Urban Heat — But Cities Keep Losing Them

  • Download
  • <iframe src="https://www.npr.org/player/embed/755349748/757626267" width="100%" height="290" frameborder="0" scrolling="no" title="NPR embedded audio player">
  • Transcript
Sean McMinn/NPR

As Rising Heat Bakes U.S. Cities, The Poor Often Feel It Most

  • Download
  • <iframe src="https://www.npr.org/player/embed/754044732/757220164" width="100%" height="290" frameborder="0" scrolling="no" title="NPR embedded audio player">
  • Transcript

A luthier assembles the rosewood sides of a guitar at C.F. Martin & Co. in Nazareth, Pa. Instrument-makers and musicians will likely be able to transport instruments containing rosewood around the world without a burdensome permit process. Jacqueline Larma/AP hide caption

toggle caption
Jacqueline Larma/AP

Authorities in Southern California seized a stockpile of high-powered firearms, ammunition and tactical gear from the property of Rodolfo Montoya, who authorities say had been planning a mass shooting because of a dispute involving his work's human resources department. Long Beach Police Department hide caption

toggle caption
Long Beach Police Department

A guard sits in his truck at the entrance to the Darby Coal Mine in Holmes Mill, Kentucky, on May 20, 2006 - the day an explosion in the mine killed five miners. The owners of the mine later failed to pay nearly $3 million in penalties for mine safety violations at Darby and other mines. Wade Payne/AP hide caption

toggle caption
Wade Payne/AP

Rep. Al Green speaks during a news conference in May as activists urge Congress to begin impeachment proceedings against President Trump. Saul Loeb/AFP/Getty Images hide caption

toggle caption
Saul Loeb/AFP/Getty Images

Buoyed By Fresh Support, Rep. Al Green Plans New Call To Impeach Trump

  • Download
  • <iframe src="https://www.npr.org/player/embed/752699106/752944416" width="100%" height="290" frameborder="0" scrolling="no" title="NPR embedded audio player">

Antonio Basco cries beside a memorial near the scene of the recent mass shooting in El Paso, Texas. Basco, whose 63-year-old wife was among the victims, says he has no other family and welcomes anyone wanting to attend her funeral service. John Locher/AP hide caption

toggle caption
John Locher/AP

Epstein Accuser Jennifer Araoz Files Civil Suit

  • Download
  • <iframe src="https://www.npr.org/player/embed/751092178/751095240" width="100%" height="290" frameborder="0" scrolling="no" title="NPR embedded audio player">
  • Transcript

Members of Black Lives Matter of Greater New York and allies hold a protest rally last month in New York City's Times Square demanding justice for Eric Garner, who died after he was put in a chokehold by an NYPD officer in 2014. Erik McGregor/Pacific Press/LightRocket via Getty Images hide caption

toggle caption
Erik McGregor/Pacific Press/LightRocket via Getty Images