After a two-day trial, a Marion County judge found Christopher Seibert not guilty on all five counts. Seibert was formerly vice principal at Regis St. Mary.
With the Centennial Mills building overlooking the train tracks in Northwest Portland and at risk of collapse, Amtrak service is disrupted until further notice.
The Vancouver Fire Department said they found a man inside who couldn't walk and needed to be carried to safety. He was taken to the hospital for treatment.
First responders and elected officials gave details Tuesday evening about the disaster at Nippon Dynawave that left at least one person dead and nine missing.