Is it always wrong to expose classified files? A file leak that revealed sensitive information about the war in Ukraine has sparked debate about how much we need to know.
The gamer who gave away America’s secrets

Glossary
Massachusetts - A state in the northeast USA.
Classified - Information that is labelled as top secret, only to be shared with certain people.
Whistleblower - Someone who exposes secretive behaviour by a group or organisation; once used to describe police who blew whistles to signal the scene of a crime.
FBI - The Federal Bureau of Investigation, which investigates crimes on a national level in the USA.
Espionage - Spying.
Ukraine - A country in Eastern Europe. It was invaded by Russia in February 2022.