Teixeira leaked highly classified Pentagon documents to an online platform popular with gamers.

A report says Jack Teixeira's supervisors failed to take action despite "questionable activity".

The defence department wants a new office for insider threats and systems to detect electronic devices.

Daniel Ellsberg, who exposed Vietnam War lies, only recently warned of the risks of new conflicts.

Jack Teixeira, 21, is charged with transmitting classified defence documents on a gaming website.

Prosecutors argue airman Jack Teixeira, 21, poses an ongoing risk to US national security.

A 21-year-old accused of leaking classified files ignored warnings from his superiors, prosecutors say.

Leaking suspect Jack Teixeira got top-secret clearance despite a problematic school suspension.