MERCY FALLS BY WILLIAM KENT KRUEGER. THE FITTH IN THE CORK O'CONNOR MYSTERY SERIES, MERCY FALLS ENTAILS CORK'S MOST DANGEROUS CASE TO DATE. BACK AS SHERIFF, HE ENCOUNTERS SNIPER FIRE AND SHORTLY AFTER THAT HE'S CALLED TO INVESTIGATE THE DISCOVERY OF A MUTILATED BODY. IT TURNS OUT TO BE A WEALTHY CHICAGO BUSINESS MAN WHO'S NEGOTIATING AN UNPOPULAR CONTRACT BETWEEN HIS MANAGEMENT FIRM AND THE LOCAL INDIAN CASINO.