Drones hovered tauntingly above Zaventem airport and various military bases last week. Security services point accusingly at Russia. Not a wild guess: our country has been a bastion for Russian spies for years. HLN spoke to sources within the Belgian security services about who Moscow is sending against us. Meet the ‘prodigies’, the ‘murderers’, the ‘freelancers’, the ‘diplomats’ and the ‘ravens’ and ‘swallows’.

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