have a strong hunch about who this victim. was the cross necklace, the tattoo. it all checked out as that local woman nicole pietz, who had been missing for a week. the diamond tennis bracelet she always wore was not on her wrist. but police were confident enough in their tentative i. d. to pay a visit to nicole's husband, dave. and the information david pietz would soon share with detectives about when his wife was last seen and what she left behind would be critical to the case. >> coming up. but it was something that was missing that turned out to be even more important and puzzling. >> there's no indication that anyone else had been behind the wheel. >> when dateline continues. i've got moderate to severe plaque psoriasis. now, there's skyrizi. 3 out of 4 people achieved 90% clearer skin at 4 months, after just 2 doses. skyrizi may increase your risk of infections