An undated picture shows Jack Douglas Teixeira, a 21-year-old member of the U.S. Air National Guard, who was arrested by the FBI, over his alleged involvement in leaks online of classified documents, ...

A federal judge on Tuesday sentenced a Massachusetts Air National Guard member to 15 years in prison after he pleaded guilty to leaking highly classified military documents about the war in Ukraine.

The Massachusetts Air National Guardsman accused of leaking highly classified Pentagon documents is due in court for a detention hearing Thursday. Federal prosecutors are making it clear that Jack ...

Teixeira, who was part of the 102nd Intelligence Wing at Otis Air National Guard Base in Massachusetts, worked as a cyber transport systems specialist, which is essentially an information technology ...