The Australians accused of spying for Russia

Two Russian-born Australians Kira and Igor Korolev are facing espionage charges after being arrested in suburban Brisbane. 

Kira Korolev had a job in the Australian army and is accused of trying to pass sensitive defence secrets to Moscow. 

Today, an expert in Russia and national security on the potential spies living amongst us.

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Matthew Sussex, adjunct associate professor at the Australian National University