it had been a strange day on mark stover's property. mployee stephanie arrived and saw a man dressed in her boss's clothes loading up his car, then speeding away. soon after, she discovered blood in mark's house, which reeked of bleach. detective dan luvera immediately suspected foul play. and so did mark's fiance, teresa. mark, she said, had lived in fear. but who was he afraid of? here again is keith morrison. >> it was evening, october 29th, 2009, the day after mark stover disappeared. skagit county sheriff's detective dan luvera stood in the dark and looked at mark stover's big new house and just knew something very bad happened here. but what? >> there was no signs of a struggle. there was just a little bit of blood here and there. >> reporter: of course, mark's protection dog, ding, was clearly injured. that could explain those bits of blood. >> reporter: but in here, earlier that day, just inside the carport door, luvera's investigation team had been knocked back by the overwhelming odor of bleach. and here in the bathroom off the