. >> were you working on your marriage when you were having sex with caroline sauerby in your home?when "dateline" continues. we're testing new degree, the only antiperspirant activated directly by movement. activating protection, bear! the more you move, the more it works! [ roars ] [ screaming ] new long lasting degree with motionsense help me! keep running! veet wax strips have a hair coating technology that leaves skin smooth for up to 28 days. try getting that with a razor. veet. what beauty feels like. >>> it was riveting. almost five years of silence about his wife's murder broken here in this courtroom. >> i love cassidy and i loved michelle. >> and then he went to murder his wife. >> now prosecutor becky holt began pulling apart a story she had just heard for the first time. >> were you working on your marriage when you were having sex with caroline sauerby in your home less than two weeks before your wife was murdered? >> no, ma'am. that was not the way to work on a marriage. that was very detrimental. >> were you working on your marriage when you called michelle money? >>