Sidhartha Banerjee Dr. Karine Dion, right, poses with her husband, David Daigle, left, and their son, Jacob, in this undated handout photo. Dion's family is speaking out after she took her own life in January 2021. THE CANADIAN PRESS/HO â David Daigle January 13, 2021 - 2:34 PM MONTREAL - The husband of a Quebec emergency room doctor who took her own life this month wants to shine a light on the mental health toll endured by those on the front lines of the COVID-19 crisis. Dr. Karine Dion killed herself earlier this month and her husband David Daigle says he has no doubt the pandemic played a part.