the defense and was never gonna be the husband of the year. >> it was essa, regularly, always, maintained numerous sexual relationships with other women. but, they insisted, a cheater doesn't necessarily make a murderer. especially a doctor who is planning a bigger family. >> yazeed essa did not commit this crime. he did not intentionally poison the mother of his two young children. the woman with whom he was actively trying to conceive a third child, and add to their family. something they both wanted. >> if he were the heartless philanderer portrayed by the prosecution, then how come rosie's family liked him so much. >> did she have a good life? >> yes. >> it appeared that they had a pretty solid marriage. yes? >> yes. >> the marriage, to their friends, and their family, is a