That violence made Turcotte move out, but he reconciled with Gaston shortly after promising to work on their relationship.
When Guy is playing with the children, we can see he is having as much fun as them...."[5] In mid-January 2009, shortly before Gaston and Turcotte were planning to leave for a trip to Mexico with their children, Turcotte learned that his wife was having an affair with their personal trainer and friend, Martin Huot.
On February 8, 2009, Turcotte found out that "the children had been to the Carnaval de Québec with their mother and Huot.
On February 10, 2009, he went to his family's residence to fetch his son's sweater and found Huot in the kitchen.
[7] On February 20, 2009, Turcotte drove by his old house, and Gaston ordered him to leave, telling him, "you are going to stop controlling my life... now, if I want to, I can change the children's names...
After putting the children to bed, he read dated emails from Gaston which further hurt and disheartened him.
[7] "On the morning of February 21, 2009, two police officers followed up on a call placed to 911 after the respondent had expressed suicidal thoughts to his mother.
When they entered the respondent's home, the officers discovered the inert bodies of two children, a boy and a girl.
[8] In his testimony Turcotte recalled disordered scenes of the event: "He is standing in his son's room.
[1][9] The prosecution successfully appealed the verdict on grounds that the trial judge, the Honourable Mr. Justice Marc David, of the Superior Court, District of Terrebonne, had erred in law, mainly with respect to the issue of self-induced methanol intoxication in conjunction with a mental disorder.
[7] In 2012, Turcotte said that he was better than he was before the brutal stabbings in February 2009; he felt less shame, less guilt, had more self-esteem, and was ready to be released.
After spending 46 months in psychiatric care before being deemed fit for release from a mental institution, Turcotte remained behind bars awaiting trial.
In 2014, Canadian director Chloë Bellande released a seventeen-minute short-film entitled Will of Fortune, which was inspired by the murder trials of Turcotte and a woman, Susan Wright, who had stabbed her husband nearly 200 times and buried his body in their back yard in Houston, Texas.