as ken had said all along, shirlene took an overdose. mrs. wakisaka her various mental disorders or defects, committed suicide. keith morrison (voiceover): the trial lasted two weeks. the jury heard detectives, doctors, shirlene's daughters, of course. ken himself chose not to take the stand. how did it seem to be going? it seemed to be going well. keith morrison (voiceover): as if here, their promise would be kept. but life, as everybody knows, is full of surprises. andrea canning (voiceover): coming up, the verdict would be swift, but the real stunner was what came after. nobody stood up and said, "i object, your honor"? it's amazing. andrea canning (voiceover): when "dateline" continues. billy: one second, grandma. this guy is going to buy my car. okay? grandma: you need carvana... entering plate number... grandma: no accidents, right? billy: no. grandma: generating offer... carvana can pick it up tomorrow! billy: that's an amazing offer. announcer: sell your car the easy way with carvana. i got this wow skin from olay body wash. it's new super ser