An elite list of guests has gathered at the esteemed Five Roses estate in Kauai. With them are the chief of local police, celebrated author Elizabeth Collier, and Flash Finnegan: the former Seattle cop who thought he had finally found steadier ground. With Flash is Dr. Marilyn Bell, the brilliant Los Angeles criminologist who is becoming more than just a professional ally. After a drone explodes, leaving a cook dead, Five Roses turns into a crime scene. As the investigation deepens, the clues only grow stranger. With cutting-edge forensic tools at their disposal, Flash, Marilyn and their trusted circle of investigators attempt untangle the case. But was it accident or murder? A fast-moving mystery set in beautiful Hawaii, THIS OLD MAN CAME ROLLING HOME is the fourth book in the Flash Finnegan series by Walter Sutton.