A Scottish crime novel from the Death On The Clyde series of novels by Hunter J Walker. The Useless Assassin is the fourth in the series featuring DC Douglas Ashburner. Douglas, although he has passed his sergeant's exam, continues his duties as a Detective Constable in Glasgow's elite Major Incident Unit. In addition to the problem posed by his fiancee's mother taking control of his wedding, a Russian emigre, Sergi Volokov, approaches him with a seemingly trivial problem. Events rapidly spiral out of control with ever widening implications and his old colleague Tanya Vidak reappears and is caught up in the web of intrigue.