Finally, answers to the Christine Jessop cold case, but questions remain

How the Christine Jessop cold case was solved and keeps changing the justice system, from wrongful convictions to genetic genealogy. After over 35 years, Toronto Police say they have found the killer of Christine Jessop, a nine-year-old girl who cold case was one of most notorious in Canada. The Star's Alyshah Hasham explains how a new forensic technique helped break this case, and why it may offer hope for others.