. >> the woman's father is interviewed by medical investigator duane lockston. >> we're going to take look, and then we're going to call and have them do the removal, and then we'll be in touch with you. on an ongoing basis, to let you know what we know about her circumstances, okay? >> yeah. >> she's a diagnosed schizophrenic, but fiercely independent. insisting on living on her own. her father and brother normally check on her once a week. but when they go to see her this week, they're greeted by a horrifying sight. the woman's been dead for several days. and her body is decomposing. >> about seven days ago? >> yeah. >> my dad and i, we kind of tag team taking care of ann. going to the grocery store and back and forth. my dad called me today, he couldn't get her to come to the door. and so i came here and checked on her, and opened the door, and just looked in there, and i knew that she had gone. >> there's no sign of trauma, or any other obvious explanation for the woman's death. >> really, there's not much else we can do right now. contact the medical examiner, talk to him, explai