For three years, many in the criminal underworld had no idea detectives were monitoring their activities in real time.

Organised crime gangs sent messages on an encrypted app that was controlled by Australian police and the FBI.

Police in 16 countries arrested 800 suspects in a global operation called Trojan Shield.

What are the implications for law enforcement in the future?

Presenter: Sami Zeidan

Guests:
Glenn Carle - Former Deputy National Intelligence Officer for Transnational Threats at the U.S. National Intelligence Council.

Michael Levi - Professor of Criminology at Cardiff University.

Arthur Rizer - Former U.S. Department of Justice Prosecutor.


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