German prosecutors are alleging that the man arrested on suspicion of carrying out the bomb attack on the Borussia Dortmund team bus, in which the Spanish international Marc Bartra and a police officer were injured, may have had a financial motive and bet on shares in the club falling.

If this sounds like a particularly far-fetched plot point for a Hollywood film, that’s because, well, it is.

In the 2006 James Bond film Casino Royale, the “baddie” is an Albanian mathematical genius, chess prodigy and banker to the world’s terrorists called Le Chiffre. Asked by a Ugandan warlord who gives him a suitcase full of cash whether he believes in God, Le Chiffre replies: “No. I believe in a reasonable rate of return.”