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Isaac Arnsdorf

Isaac Arnsdorf was a reporter at ProPublica covering national politics.

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Isaac Arnsdorf covered national politics with ProPublica.

His reporting on President Trump's agenda for veterans won the Sidney Hillman Foundation's Sidney Award and the National Press Club's Sandy Hume Award, and was an honorable mention for the Toner Prize for Excellence in Political Reporting.

Before joining ProPublica in 2017, he covered lobbying and campaign finance at Politico. He previously worked for Bloomberg News.

Trump Just Endorsed an Oath Keeper’s Plan to Seize Control of the Republican Party

The “precinct strategy” widely promoted by Steve Bannon has already inspired thousands of Trump supporters to fill local GOP positions, intent on preventing a “stolen election.”

Child Porn Probe of Billionaire Businessman Denny Sanford Continues at State and Federal Level, Court Records Show

Authorities said the investigation of South Dakota’s richest man, first revealed by ProPublica, is still active and began with a tip from the National Center for Missing & Exploited Children.

How Steve Bannon Has Exploited Google Ads to Monetize Extremism

Google kicked Bannon off YouTube because of his violent rhetoric but still sent ad dollars to his website that promotes misinformation about the election and the pandemic.

Court Records Show That Emails and Phone Data Were Searched in Child Porn Probe of Billionaire Denny Sanford

ProPublica won access to search warrants showing a child pornography investigation of South Dakota’s richest man, confirming our reporting from last year.

Oath Keepers in the State House: How a Militia Movement Took Root in the Republican Mainstream

A membership roster for the Oath Keepers, a violent extremist group whose followers have been charged in the Jan. 6 insurrection, includes state lawmakers, congressional candidates, and local government and GOP officials.

Inside Trump’s VA

Trump’s Mar-a-Lago Buddies Tried to Get the VA to Sell Access to Veterans’ Medical Records

A congressional investigation prompted by ProPublica’s reporting found wealthy civilians with no U.S. government or military experience pursued a plan to monetize veterans’ medical data.

Heeding Steve Bannon’s Call, Election Deniers Organize to Seize Control of the GOP

The stolen election myth inspired thousands of Trump supporters to take over the Republican Party at the local level, exerting more partisan influence on how elections are run.

Marjorie Taylor Greene Appeared in a Super PAC Ad Asking for Money. That Might Break the Rules.

Greene is working with a Republican ad maker who has a history of racist remarks and ties to extremist gun groups.

Trump Spawned a New Group of Mega-Donors Who Now Hold Sway Over the GOP’s Future

These powerful donors, who each contributed more than $1 million, shied away from party politics before Trump. What brought them off the sidelines?

How Josh Hawley and Marjorie Taylor Greene Juiced Their Fundraising Numbers

Politicians get the veneer of grassroots support, while shadowy consultants get rich.