The Roche Harbor Caper — D.M. Ulmer

The sequel to Missing Person. In Washington State's San Juan Islands, during a weekend visit arranged by Michael Kincaid for his son to become better acquainted with the focal point of Michael's evolving romance, things go from bad to worse. Kincaid reopens a case with an official finding of accidental death that many believe should have been murder. This leads to both Kincaid and his son being caught up in a wild adventure on the high seas.