Sentence:  The crew manager collects all the money from his workers. They operate in more or less close formation, with the manager lurking around the edges, riding herd in his car or walking between cover points. Thus, the solicitor has little chance for <WSD>skullduggery</WSD>. His receipts are numbered and he has to account for them. 
Meaning of the word marked with <WSD> tags:  Dishonest, underhanded, or unscrupulous activities or behaviour.