The water pressure increased in Cowan"s ears as he descended. He remained submerged, swimming as hard as he could. When he broke through the surface, he took a deep breath of the warm desert air. An evening swim was his favorite way to relax when things were on his mind. The in-ground pool was quite a bit larger than most. When Kathy had suggested getting it, their son was participating on a swim team at school, and it made sense to get something that he could swim laps in. As he was toweling off, he heard a car outside the front of the house about twenty minutes earlier than the time they"d designated. He waited until he heard the car door close before calling out a greeting. Amy Travers appeared on the deck, stopping beside the large gas grill. She wore a pink blouse and tight-fitting

