At first glance the stacks of labelled box files which line one wall of Martin Crookston's London office are a trot through some familiar locations in provincial England.
Smethwick, Birmingham, the Black Country and Telford, Newcastle, Najaf.
That's Najaf as in the Iraqi holy city. Najaf, the scene of two suicide bombs a couple of years ago which killed dozens of people and injured many more. Najaf, the arena for a full-scale American military assault to oust a radical Muslim cleric, back in 2004.