Two weeks before Christmas, Dr. Diana Duprey is found floating face-up in a small lap pool in her back yard. A medical doctor with an abortion practice, and a national figure who inspired passion and ignited tempers, she had been the target of violent threats by right-to-life activists. Her husband, Frank Thomson, a lawyer in the district attorney's office, fought bitterly with her on the morning of her murder. To reveal the nature of their argument...