Hollywood does love a good financial crime plot.  Films like the Wolf of Wall Street, the Silver Bears, the Big Short and Madoff have hit the Big Screen in recent years to much acclaim.

A new movie, The Laundromat, is the latest in the genre, chums who watch something called Netflix tell me. The tale of the Panama Papers, the celebrated 2016 investigation into pervasive offshore tax evasion is told in this lurid story.

We all recall that the big leak of identities from a Panamanian law firm sent shock waves across the world when the offshore dealings of figures in a string of countries were exposed, leading to the ...