combing the internet had paid off for detective donna velasquez. jackson's partial remains in a florida medical examiner's office, where they'd been in storage for 15 years. david's bones had been recovered from a construction site just a year after he vanished. but how? and why did his body end up there? turns out that location had significance to someone, a woman, who was about to make some alarming claims about the young dad. once again, here's keith morrison. >> it was good detective work that identified david jackson's earthly remains. what was left of them, but pure chance that the partial skeleton was found at all, as david's brother, mark, found out. >> they were getting ready to build a walmart and a construction worker came across some bones. reported it, they went out and dug up a bunch of bones. and they sat in a morgue for 15 years. >> sat there all those years, even as those who loved david held out a shred of hope that he was alive, somewhere. >> as far as i know, he was disappeared. he was missing. >> but now detective velasquez had

combing the internet had paid off for detective donna velasquez. found david jackson's partial remains in a florida medical examiner's office, where they'd been in storage for 15 years. david's bones had been recovered from a construction site just a year after he vanished. but how? and why did his body end up there? turns out that location had significance to someone, a woman, who was about to make some alarming claims about the young dad. once again, here's keith morrison. >> it was good detective work that identified david jackson's earthly remains. what was left of them, but pure chance that the partial skeleton was found at all, as david's brother, mark, found out. >> they were getting ready to build a walmart and a construction worker came across some bones. reported it , they went out and dug up a bunch of bones. and they sat in a morgue for 15 years. >> sat there all those years, even as those who loved david held out a shred of hope that he was alive, somewhere. >> as far as i know, he was disappeared. he was missing. >> but now detective