Police have identified 22-year-old Jacob Tyler Roberts as the gunman in Tuesday's Oregon mall shooting.
The Clackamas County Sheriff Craig Roberts says Roberts acted alone. The 22-year-old had no significant criminal record, officials said.
The two people killed in the shooting have also been identified as Cindy Ann Yuille, 54, and Steven Mathew Forsyth, 45.
They have no known connection to the shooter.