Yannick Bandaogo, 28, had already been charged with second-degree murder after six people were stabbed and a woman died from her injuries in the March 27 attack.
Suspect in Lynn Valley Library stabbing faces more charges of attempted murder
Yannick Bandaogo, 28, had already been charged with second-degree murder after six people were stabbed and a woman died from her injuries in the March 27 attack.