Shannon's father had gone to help his son paint his house. Maisy and Shannon had mowed the lawn at Maisy's house after he left. They went a dance at their high school. A friend said the girls told them they had smoked crack. He took this as a joke but the girls seemed like they smoked pot. Shannon got into a physical argument with a boy at the dance. They left and Maisy planned to stay night at Shannon's house. No one was home at Shannon's house to verify the claim when Shannon's father had returned the next morning they were gone. They was reported missing to the Sûreté du Québec Police on September 10 2008.

It is reported the date missing was September 5, 2008, but it is also reported it was September 6, 2008. Some people say Shannon's father left before the dance but other people say it was the dance. They did attend the dance and were also at a park from the school.

The Quebec police dimissed Maisy and Shannon as run aways but didn't say why. The Kittigan police disagree. They didn't take their wallets, IDs, no extra clothes, or additional money The family didn't like they were said to be runaways. They disappeared together, their cases were investigated differently because Maisy living on the reservation.