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

Wednesday

Former White House chief of staff Mark Meadows, right, and former Republican Sen. Jim DeMint, left, attend a summit organized by the America First Policy Institute on July 25. Meadows and DeMint have both been involved with the Conservative Partnership Institute, a nonprofit raising concerns among tax experts. Oliver Contreras/SIPA USA via Reuters hide caption

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Oliver Contreras/SIPA USA via Reuters

Experts say a Trump-backed charity is pushing the boundaries of tax law

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Tuesday

Eva Marie Uzcategui/National Public Radio

The promise and peril of mobile home ownership

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Saturday

The FBI searched former President Donald Trump's residence in Florida on Aug. 8. The U.S. intelligence community will assess whether the documents taken pose a threat to national security, a spokesperson for the Office of the Director of National Intelligence told NPR. Giorgio Viera/AFP via Getty Images hide caption

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Giorgio Viera/AFP via Getty Images

Tuesday

Sunday

Mike Noel at the Heritage Plantation community, June 8, 2022. Noel retired and bought a home in the mobile home park and looked forward to fishing in the ocean 20 minutes away. "I thought I was moving to paradise," he says. Eva Marie Uzcategui for NPR hide caption

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Eva Marie Uzcategui for NPR

From floods to slime: Mobile home residents say landlords make millions, neglect them

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Friday

FBI agents document evidence outside a bureau field office in Kenwood, Ohio, on Aug. 11, after an armed man tried to breach the building. He fled and was later killed by law enforcement, authorities said. WKEF/WRGT via AP hide caption

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WKEF/WRGT via AP

Wednesday

Voters in Milwaukee fill out ballots in Wisconsin's state primary on Tuesday. The top three Republican candidates for governor each cast doubt on the results of the 2020 election. Alex Wroblewski/Getty Images hide caption

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Alex Wroblewski/Getty Images

A photo of Joseph James DeAngelo Jr. is displayed during a news conference April 24, 2018, in Sacramento, Calif., announcing the arrest of the man suspected to be the so-called Golden State Killer. Justin Sullivan/Getty Images hide caption

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Justin Sullivan/Getty Images

After a career of cracking cold cases, investigator Paul Holes opens up

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Tuesday

An employee looks at a vanadium flow battery in Pacific Northwest National Laboratory's Battery Reliability Laboratory in 2021. Andrea Starr/Pacific Northwest National Laboratory hide caption

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Andrea Starr/Pacific Northwest National Laboratory

How The U.S. Gave Away Cutting-Edge Technology To China

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Thursday

Infowars founder Alex Jones listens to a supporter at the Texas State Capital building on April 18, 2020 in Austin, Texas. Sergio Flores/Getty Images hide caption

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Sergio Flores/Getty Images

A jury says InfoWars' Alex Jones must pay 2 Sandy Hook parents more than $4 million

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Federal judge Dabney Friedrich castigated Capitol riot defendant Brandon Straka for making, in her view, "questionable" comments about his case in public since his sentencing. John Minchillo/AP hide caption

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John Minchillo/AP

Wednesday

The former UniEnergy Technologies office in Mukilteo, Wash. Taxpayers spent $15 million on research to build a breakthrough battery. Then the U.S. government gave it to China. Jovelle Tamayo for NPR hide caption

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Jovelle Tamayo for NPR

The U.S. made a breakthrough battery discovery — then gave the technology to China

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Tuesday

Attorney Cleta Mitchell is a senior legal fellow with the nonprofit Conservative Partnership Institute in Washington, D.C. The group has hosted "Election Integrity" summits in key states around the country, which have featured speakers from the Republican National Committee. Matt Rourke/AP hide caption

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Matt Rourke/AP

What leaked audio tells us about Trump-linked "election integrity" efforts

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Sunday

Police vehicles are parked outside the headquarters of the Yonkers Police Department in Yonkers, N.Y. Since 2007, the U.S. Department of Justice has been investigating the Yonkers Police Department and recommending areas for reform. José A. Alvarado Jr. for NPR hide caption

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José A. Alvarado Jr. for NPR