Why two alleged deep-cover Russian spies are the most unusual yet

Pair of suspected ‘illegals’ are thought to have been a married couple living separate lives in Brazil and Greece

Halfway through a trip to Malaysia in January, Gerhard Daniel Campos Wittich stopped messaging his girlfriend back home in Rio de Janeiro and she promptly launched a frantic search for her missing partner.

A Brazilian of Austrian heritage, Campos Wittich ran a series of 3D printing companies in Rio that made, among other things, novelty resin sculptures for the Brazilian military and sausage dog key chains.