>> reporter: the two were on intimate texting terms. that last morning, ann texted mark asking him to go to best buy for her. "can you please go sat at 6a for me. i will get there about 825a with a coffee. and a big kiss." mark, at the time, is a married man. >> he was a married man, two children. >> i think very clearly there was an emotional affair at a minimum that happened between mark and ann. >> reporter: investigators didn't think the two had a sexual relationship, but it was clear they had a financial thing going. mark opened his line of credit to ann. no small thing where ann was concerned, because her big passion was shopping. ann's friends t.j. donahue and mary petrone. >> i do know that ann loves jewelry. she loves nice things. >> gadgets, right? >> gadgets, cameras. i mean in high school, she was that same kind of person. so, she loved to spend money. >> reporter: and sometimes the spending got ahead of her. mark learned that. >> he co-signed, i think it was three total credit cards with