where was kate waring? when dateline continues. issing for months now. kate warring, a trusting young woman so eager to help those in need. the trail of clues pointed to two of kate's friends, now the private investigators recruited by her family believe they are close to solving the final part of the mystery, finding kate at last. but there are a few more twists in store. here again, keith morrison. >> things started happening fast. after a heart to heart, she called the charleston police department and confessed. no, not to murder. instead she said it was she who forged the bogus checks signed by kate warring and ethan tried to cash it two days after kate disappeared. now surely the police would swoop in and arrest them both. here's something you should know about the way it worked between the "a" team and their former colleagues, the cops. the deal was entirely one way. that's to say the "a" team told the cops everything they uncovered. the cops told the "a" team nothing. so they kept their ears to the ground, waited for somethin