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Two years ago, Pearson went to Calgary to further the investigation, where she received new information from Gregoire’s former landlady who had been a crucial witness in the Silva case. Allore and Pearson would eventually consult with Calgary cold-case detective Ken Carriere about that murder, but also about suspicions of Gregoire’s involvement in other Calgary killings between 1991 and 1993. For Pearson, the Calgary side of the investigation is a “slam dunk.”
“There is no question in my mind that he killed at least three women in Calgary,” she says, adding she is confident the Calgary cases will now be revisited by police.
For Allore, that would certainly be a victory. But he hopes the conversation goes deeper.
“Calgary Police, the RCMP, the Surete du Quebec, the Montreal Police Force, Corrections Canada, parole and all the way up to the justice ministers of Quebec and the minister of public safety and security in Quebec — all of these agencies are what we’re talking about,” he says. “There’s something fundamentally wrong when they say ‘One of the problems we had was that all of Gregoire’s early parole decisions were in French and we don’t speak French.’ I mean, this was the 1990s. I might accept a little of that in the ’70s, but I don’t accept this in the 1990s.”
Allore eventually sent a note to Gregoire in prison, who responded with a vague handwritten letter in which he stated he had nothing to do with Theresa’s death. But it’s a claim Allore doesn’t believe. While he dislikes the word closure, he says he is now confident he knows who was responsible for his sister’s death back in 1978.
“I asked the question to Eric Beauregard, who is an expert on sexual murder and who is an expert on Luc Gregoire because he profiled him. I put the question to him and his response was this: ‘It is statistically improbable that Luc Gregoire did not commit these murders.’ ”
Wish You Were Here: A Murdered Girl, A Brother’s Quest and the Hunt for a Serial Killer. John Allore and Patricia Pearson will hold a virtual book launch organized by Owl’s Nest Books on Oct. 15 and 7 p.m. Visit owlsnestbooks.com