The 398-page trove unveiled Tuesday details the FBI’s dogged efforts to investigate tips from people claiming to know the ...

The newly released 398-page FBI file includes strange suspect tips, forensic evidence from Cooper's tie — and no clear ...

The FBI has released files related to DB Cooper’s case. The files give some insight into the mysterious plane hijacking ...

Portland police and the FBI are asking for one of the many witnesses to a birthday party shooting to come forward with ...

A Chinese national living in Oregon allegedly gave intelligence about U.S. Navy personnel to China’s Ministry of State ...

Four individuals are charged with crimes, including arson and assaulting a federal officer, following protests at an ICE ...

FBI agents from Portland, Ore., were able to track down a teenager allegedly planning to carry out an attack at a mall involving explosives and guns. (Getty Images) ...

In this contributed photo, FBI Portland Special Agent in Charge Douglas Olson, left, and Columbia County Sheriff Brian Pixley, right, speak at a press conference at the FBI office in Portland, Ore ...

As part of their investigation, police served a search warrant Thursday afternoon on Northeast 15th Avenue between Wygant and Going streets.