Accused Pentagon leaker repeatedly warned about mishandling classified info, shared secrets with foreigners.

A Massachusetts Air National Guard member, Jack Teixeira, accused of leaking classified government documents he accessed at his military intelligence job, had previously been "admonished" by his superiors for taking notes on top secret information, according to federal prosecutors. Teixeira was arrested in April and is facing multiple charges under the Espionage Act. Prosecutors allege he shared notes and images of government secrets related to the war in Ukraine and U.S. spycraft on the social media platform Discord. The Air Force is conducting a broader investigation of Teixeira's unit.