For nine months in 2002, 14-year-old Elizabeth Smart was the most famous missing child in America; kidnapped by Brian David Mitchell, she was forced up into a hiding spot in the mountains behind her home, assaulted and forced to be his second wife.

For nine days, the nation waits for news as to the whereabouts of missing 3-year-Michael and 14-month-old Alex Smith; then, there's a shocking break in the case; the boys' father, David, shares his heartbreaking story; a look at the investigation.