david moffitt. and who was he? local accountant, for one thing, but also the scion of a wealthy iowa farm family. and not very memorable, said angie. just a guy who liked having fun. though there was, she said, this one remarkable coincidence. a couple months after she stopped seeing david and just before she got engaged to justin, david got a job in the same small unit of the same department of the same wells fargo office building as justin. david left under some kind of cloud, said angie, months before the murder. but, really, what were the chances? their desks were just feet apart. >> did he know that justin was dating you? >> he figured out that justin was dating me. >> reporter: justin told his parents about it. >> he just said it was an awkward situation but there was no problem. the alignment of that is -- >> in a company of -- >> -- astronomical. >> -- 10,000 people here in des moines, what are the odds that they would be in the same -- >> right, in the same cubical, they were. >> reporter: but they got on