>> she didn't drive, so he took her home. something earlier that friday that bothered the warings at first was terrifying them now. the more they thought about it, the worse it seemed. just before she went to the drug store friday evening, she started telling her father about some problem. >> saying that she felt like she perhaps had unintentionally got herself in trouble. and i said, "well, why don't you tell me about that." and she wouldn't tell me any details. >> was she clearly worried? >> she was concerned. >> clearly worried. >> about something. >> naturally they told the police about that. nothing came of it. and as the air thickened into a steamy august, the weeks that passed brought no new leads. just tourists clamoring for the cool shade of historic carriage rides. and kate waring, the urgency of finding her, began to fade. >> and that was driving me nuts. i thought, i'm not going to put up with this.