What happened to Joan Lawrence? Investigative journalist Zander Sherman sheds light on one of cottage country’s darkest crimes.

Uncover: Calls From a Killer

S4: The Cat Lady Case - Trailer

What does a reporter do when they receive a cold call from one of the most horrific serial killers in Canadian history?The killer: Clifford Olson, who murdered at least eleven children in the 1980s. The reporter: Arlene Bynon, who recorded her jailhouse calls with Olson for years.Alongside legendary journalist Peter Worthington, Arlene spent hundreds of hours on the phone with Olson. It was kept secret from his prison guards; he wasn't allowed to speak to the media.In Calls From a Killer, from CBC’s Uncover, Arlene unearths secrets that have been buried for decades. Secrets about Olson's cri...