came outside and found his wife's body floating in the spa and called out for courtney. investigator tom dove. >> i heard it best described during the trial as a cosmic coincidence that someone could see something that they perceived to be more than just some kind of kinky action in a jacuzzi in the morning, and then that actually turn out to be true, that a woman was actually drowned in that spa. that is not a coincidence. that is what she saw. >> the prosecution's theory? somehow, sitting in that spa that morning, chris was overcome by some private fury, who knows what. the hidden violence, is what strunsky called it. and then killed his spouse when he thought nobody was looking. >> chris hall ambushed his wife, grabbed her by the hair, slammed her head twice into the concrete edge. he's holding his wife of almost three decades under the water, showing absolutely no mercy, no remorse.