but i -- doesn't mean i had to remember it. >> lewin wasn't buying it. >> isn't it true, mr. that the last place that carol lived, her last breath, was taken in that bathtub when you murdered her? what are you looking at the judge -- >> because i'm waiting for him to correct you. no. i didn't murder her. i'm sorry. in the bathtub? >> and mr. lubahn, if you had murder her, you would tell us today if i asked? >> i would have admitted it. >> you would admit it on the stand today? >> yes. >> do you think that statement's believable? >> i think so. >> i'm done. >> of course, believeability was a question for the jury to decide. and decide they did. though as you'll see, that wasn't the end of the story. not by a mile. >>> coming up, a final push for the truth. >> please, for your family, for your kids, tell us what happened. >> when "dateline" continues. ins before nexium 24hr mark could only imagine... a peaceful night sleep without ins frequent heartburn waking him up. now that dream is a reality. nexium 24hr stops acid before it starts for all-day, all-night protection. can you