he was studying speech pathology at the u.t. dallasthe same school where his mother worked. >> she used to even wash his clothes on weekends and when he was at the dorm. >> reporter: he's in college and she's still doin' his laundry. >> yes. she will take all his clothes, wash them. iron them. get him some food, homemade food and stuff like that. >> reporter: the last time donna saw anna, anna couldn't contain her excitement about travel plans she'd made with igor. >> she was telling me about her wealthy aunt giving her money so she and igor could go on vacation, and she was really looking forward to that. >> reporter: but as much as anna's friends believed in igor, they still weren't sure what to make of some of his statements. he said that whoever had done this should be forgiven. >> we all noticed it and thought it was unusual. but igor in the last year had become fanatically religious. >> reporter: day one of the investigation, and igor was just the first of the men in anna's life police wanted to talk to. the list would be long. a