. >> reporter: her name was mary taglianetti. she was calling from virginia. one in keith's life including megan had heard of her. does the name mean anything to you, this mary bottom? >> not at all. >> reporter: nib anybody in the family, did it ring a bell? >> no. >> reporter: caitlyn's sister megan didn't know the name either but would realize had mary was a woman her dad had taken to dinner in 2010 during an off period with kimberly. >> i remember him saying that he was going out to dinner. but yeah no. nothing ever came from it. >> reporter: but now, this mary was on the phone. >> she was very very upset. [ crying ] >> stay with me. this is going to be okay relax. i kept her on the phone purposely. as long as i could. and while we were talking, i had my staff scrambling to get somebody in law enforcement to her home. >> reporter: almost 400 miles south, officers in virginia brought mary to an interview room. she was the second woman in three days investigators were speaking to about the murder of the superintendent. >> i'm glad they have these here. i migh