Dead Water (Loon Lake Fishing Mystery Series #3) in Bloomington, MN

Police Chief Lew Ferris hits a snag while investigating a double murder—and pursuing a killer more slippery than any muskie she's had her hands on.
While out kayaking, Paul Osborne discovers the grisly remains of a woman—whose shoulders bear mysterious bite marks. And just as Lew begins her investigation, another body turns up... The second victim was a successful businesswoman from Kansas City, and the evidence indicates she was in Loon Lake for a rendezvous with an ex-lover—a con man who had tried to get his hands on her money. Now, Lew's got two confusing cases—and a killer who may be more elusive than any fish...