The Burrowers, over the past three months of being on duty for Operation MACE, had fallen into a weary slump, something which was instantly recognizable as the start of mission fatigue. They were tired, exhausted and not a little fraught with the possibility of the killers having slipped through their fingers. Toby"s team had also started to resemble a "burrower" from the animal kingdom, such as a vole, weasel or mole. They were in to work early, stayed late into the night, and were constantly scurrying from one meeting to another, conducting covert trips to the new registry at Century House to clarify a new lead, or to plead a case to some unseen intelligence committee for extra resources. They were also rarely seen to speak to and the only evidence of their continued existence was the l