A juvenile from Columbia County who conspired to a mass shooting and bomb attack at the Three Rivers Mall at Kelso in Washington state last month has been arrested by the Portland FBI Field Office and local law enforcement officers.

The teenager, whose name cannot be released because he is a minor, was arrested on 22 May after details of the planned attack were reported to the FBI three days earlier.

Suspect Shared Nihilistic Violent Extremist Ideology

It took the FBI and their enforcement partners only one day to identify the suspect as a juvenile from Columbia County. According to the FBI Oregon Field Office, the suspect ‘shared nihilistic violent extremist ideology and the plans in online chats.’

After his identification and because of public safety concerns, investigators immediate

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