claimed her first. >> the gut wrenching pain, my daughter, please, please, don't let this be true. >> home alone on a sunny afternoon, she vanished. >> we just said, oh, my god, isn't this one of her earrings? >> earrings in the carpet, ribbons on the ground, tire tracks on the lawn. >> there was evidence of a violent struggle. >> what had happened and who was behind it? >> everything was a mystery. was she still alive, you know, was she not? >> it tore us apart. >> for years, they demanded answers, a struggle each day. then came the cold case squad with a new bag of tricks. >> i always felt that this was a case that could be solved. >> they wanted justice just as bad as we did. >> as a mother, she fought and fought and fought. >> we just never gave up. >> don't mess with a mother bear.