Meanwhile, Yarrow returned to Endeavour House to set up the enquiry, whilst two dozen or more uniformed officers searched the extents of the wooded coppice, broom handles in hand, poking and raking through the clumps and briars, searching for anything that might have been dropped by the killer, whilst other officers, on their knees, carefully searched the shallow depression and immediate environs where the body had lain, looking for any further clues.
Because, when the body had been lifted onto the stretcher, Yarrow had spotted a small rectangular piece of white cardboard partially covered by dead leaves. Using his handkerchief, he had carefully picked up the object and then whistled through his teeth in surprise. The piece of cardboard was a business card. The card, stained from the dirt
