PORTLAND, Oregon — Investigators say the 24-year-old gunman who shot nine people and then took his own life downtown Saturday night displayed troublesome behavior in high school, had attempted suicide in the past and was treated for depression at least once. "This was somebody who had a history of emotional issues, and unfortunately decided to take others along with him," Portland Detective Division Cmdr. John Eckhart said Tuesday. A broader picture of Erik S.... (GunPolicy.org)