Colin Thatcher and the murder of JoAnn Wilson [3]
Canadian True Crime
Kristi Lee
4.7 • 5K Ratings
🗓️ 30 March 2026
⏱️ 82 minutes
🧾️ Download transcript
Summary
[Part 3 of 3] A surprise witness comes forward to testify against Colin Thatcher. His own contribution from the stand? Deny, deny, deny. Even after the jury reaches a verdict, Thatcher continues to make headlines for decades to come...
*Additional content warning: this episode contains mentions of domestic abuse.
— This series is a carefully selected replay from our archive.
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See the page for this episode at https://www.canadiantruecrime.ca/episodes/135
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Transcript
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| 0:00.0 | Canadian true crime is a completely independent production, funded mainly through advertising. |
| 0:04.7 | The podcast often has disturbing content and coarse language. It's not for everyone. Please take care when listening. |
| 0:11.9 | This is the final part of a three-part series. Where we left off, it was 1984, and Colin Thatcher was on trial for the murder of his ex-wife, Joanne Wilson. |
| 0:24.7 | The Crown had finished laying out its case, which included testimony about the various |
| 0:30.2 | statements Colin gave to Gary Anderson and Charles Wilde about arranging to have Joanne |
| 0:36.1 | killed. There was the recorded conversation with |
| 0:39.1 | Gary and statements reported by Collins Palm Springs girlfriend Lynn Mandel. There was his purchase |
| 0:46.2 | of a revolver, special ammunition and a holster in the United States, which Lynn said had been hidden |
| 0:53.1 | in a Barbie doll shower box and taken to Canada, |
| 0:56.4 | and the fact that the police found those items at his home in Moose Jaw. There was the blue |
| 1:01.8 | Oldsmobile seen surveilling Joanne's house in the days before she was murdered that matched |
| 1:07.5 | a car that Colin Thatcher had borrowed from the government, and the fact that his |
| 1:12.4 | credit card receipt was found feet from the crime scene when it had no reason to be there. |
| 1:18.9 | But there was one more surprise witness that the Crown hadn't banked on, and he likely wouldn't have |
| 1:25.7 | come forward had he not had a chance encounter with investigators |
| 1:30.0 | after the trial had started. |
| 1:35.3 | The last witness for the Crown was Richard Dick Culver, Colin's close friend and former leader |
| 1:42.5 | of the Saskatchewan Progressive Conservative Party |
| 1:45.5 | who wooed Colin Thatcher over from the Liberal Party. |
| 1:50.5 | You might recall that after Colin and Joanne first separated, |
| 1:55.2 | Richard Dick Culver invited him and the kids to visit at his family ranch in the United States over Christmas. |
| 2:03.6 | Colin showed up with his three kids, as well as their longtime babysitter Sandra, who was 17 years old at the time. |
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