which wasn't long in coming, said lead kbi agent falletti.'s purse, they found a post-it note with a list of expenses. >> indications of money that she needed in her life insurance. >> reporter: the list included funeral expenses. and then they had a good look through vashti's volkswagen. and in her trunk they found printed material about coping with stress and anxiety. but more important, investigators discovered something falletti knew was absolutely key. >> in the front driver's seat was a journal. as you open that book, go past some of the notes that she had written in reference to her children, kind of bookmarked with the string that you usually find in those types of books, was what appeared to be a note to her two children and to brett. and in the note she's trying to explain. "tell the children i love them." and she's telling her children to keep -- take care of each other. and then made the comment, "and brett, i took care of the house for you." >> reporter: the note also said she'd be watching over her sons from heaven. all those wo