A Washington state wife and mother was brutally stabbed and murdered as she was preparing to take a bath in her home, while her husband was just feet away, in a nearby room. Police immediately suspected the husband, who was tried twice on murder cha... (more)rges. Incredibly, those verdicts were overturned. Then, he faced a third trial and took a gamble by defending himself. Would his strategy work? "48 Hours Mystery" correspondent Peter Van Sant reports.