Body Politic Lambert And Hook Series, Book 10.

When ambititious MP Raymond Keane is found dead in a frozen lake, Superintendent Lambert and Sergeant Hook soon discover that the politician was adept at making enemies. There is his former lover, Moira Yates, whose life he has ruined; his business partner Chris Sampson; Joe Walsh, a disgruntled constituent; and his supposed fiancée, Zoe Renwick, who had been on the point of breaking the engagement off. Moira Yates seems to have the perfect alib...