Federal officials have charged a 21-year-old member of the Massachusetts Air National Guard with posting a trove of classified documents online. Politico’s Erin Banco explains.

This episode was produced by Avishay Artsy and Haleema Shah with help from Amina Al-Sadi. It was edited by Matt Collette, fact-checked by Laura Bullard and Victoria Chamberlin, engineered by Paul Robert Mounsey and Patrick Boyd, and hosted by Noel King.

Transcript at vox.com/todayexplained  

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