Maine Mass Shooter Suffered From Traumatic Brain Injury: Doctors

An analysis of Robert Card’s brain showed ’significant degeneration' in white matter.

Authorities found Robert Card dead after a manhunt. Lewiston Maine Police Department via AP

The man who killed 18 people in a mass shooting in Maine in 2023 suffered from a serious brain injury, doctors said on March 6.

An examination of Robert Card’s brain revealed “evidence of traumatic brain injury,” Dr. Ann McKee, director of the Boston University Chronic Traumatic Encephalopathy Center, said in a statement.