In 2009, while a reporter at the East Valley Tribune in Mesa, Arizona, he and Tribune colleague Paul Giblin won a Pulitzer Prize for a series that exposed how immigration enforcement by the Maricopa County Sheriff's Office undermined investigations and emergency response. His stories for the Center for Investigative Reporting on violent crimes at California’s board-and-care institutions for the developmentally disabled were a finalist for the Pulitzer Prize for public service in 2013.
Gabrielson's work has received numerous national honors, including two George Polk Awards, a Livingston Award for national reporting, the Al Nakkula Award for Police Reporting and a pair of Sigma Delta Chi Awards. He was a 2009-2010 investigative reporting fellow at UC Berkeley. A Phoenix native, Gabrielson studied journalism at the University of Arizona.
The bureau’s image unit has linked defendants to crime photographs for decades using unproven techniques and baseless statistics. Studies have begun to raise doubts about the unit’s methods.
Bud Frazier, a pioneer in the development of artificial hearts, filed a libel suit alleging he was “falsely” portrayed in two articles exploring alleged lapses in research and ethical practices.
The U.S. Sentencing Commission helped send more people to prison for longer terms. It’s a shame it was created to address a nonexistent crisis. Here’s how the Supreme Court got misled.
A ProPublica review adds fuel to a longstanding worry about the nation’s highest court: The justices can botch the truth, sometimes in cases of great import.
The former Maricopa County sheriff made his name in part by targeting immigrants — even after a judge ordered him to stop. As President Trump considers a pardon, it’s worth remembering precisely what Arpaio did in his decades in law enforcement.
A lawsuit in the 1990s had Alabama poised to fund poor black school districts as fairly as wealthy white schools. As state attorney general, Sessions fought the effort passionately.
A commission established by lawmakers to help end the conviction of the innocent says field tests are too unreliable to be trusted without lab confirmation.
No guilty plea for drug possession will stand in Multnomah County unless the preliminary police field tests used to make arrests are confirmed in a lab.
A series of embarrassments suggests Hillsborough County Sheriff’s Office could use some instruction on using and interpreting field tests that have resulted in thousands of drug arrests in recent years.
Local defense bar explores options after ProPublica investigation showed that police and prosecutors continue to use flawed drug tests in sending thousands to jail.
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