48 Hours Preview: The Search For Christie Wilson

In some murder cases, questions can linger even after a trial and a guilty verdict.

That was true for one mother who waited 15 years to find out what her daughter's killer did with the body. This week's '48 Hours' explores how that mom finally got her answer. News On 6's Tess Maune introduces us to the C-B-S News correspondent who followed the case from the beginning.