in 1987 ray and tanya reed, along with their two children, had just moved to urbandale, iowa. it was ray reed's fourth job transfer in three years. >> every time we moved it was an advancement for him, and i was ready, you know, any time thinking where do i want to go. >> tanya reid was a housewife who stayed home caring for their children, 6-year-old carolyn and 2-year-old michael. michael stopped breathing two days after moving to town. fortunately tanya was a nurse and knew exactly what to do. she performed cpr and immediately took him to the emergency room of iowa methodist medical center. >> it was a fever of viral etiology, dehydration and vomiting. that was a pretty standard diagnosis and situation. >> after he was stabilized michael was given a complete physical examination. he had a prior history of neurologic seizures, but doctors could not determine what was causing it. a few months later the reid's moved into a larger unit in the same complex. ray was working extremely long hours and tanya was lonely. >> i think in the beginning the relationship was okay. it was en