After 36 years, an infamous cold case involving the rape and mutilation of a little girl has finally been solved. The horrific mystery surrounding the abduction and murder of Christine Jessop captured the attention of the nation in the '80s and led to the wrongful conviction of an innocent man.

Today, former CBC investigative journalist Linden MacIntyre has come out of retirement to explain why it took nearly four decades to uncover Jessop's killer and what haunting questions still remain.