Rather, Mr. Holmes's studies focused on how the brain works chemically and psychologically, and the effect that has on human behavior.

WSJ: Shooting Suspect's Behavior Provided Few Clues

While the documents do little to answer questions about the alleged suspect's possible motive in the July 20 shooting during a showing of the Batman movie at the Century 16 multiplex, they offer new insight into Holmes as a student and his aspirations to study the human brain.

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Despite Shona Holmes' horror story about her inability to get timely treatment for a brain tumor, Canadian officials and doctors insist most life-threatening cases are treated quickly.

CNN: Reality check: Canada's government health care system