Authorities presented this slow-motion video of Jacob Michael Gaines as a court exhibit. It shows him swing a hammer at the head of a deputy U.S. marshal about 1 a.m. on July 11, 2020, after he had banged a hole in the plywood covering the south entrance to the downtown federal courthouse in Portland. • Subscribe to our YouTube channel: https://www.youtube.com/subscription_center?add_user=oregoniannews • Get the latest news and more at The Oregonian/OregonLive: http://www.oregonlive.com/ • Subscribe to The Oregonian/OregonLive: https://www.oregonlive.com/subscribe/ • Follow us on Twitter: https://twitter.com/Oregonian • Follow us on Instagram: https://www.instagram.com/theoregonian/ • Like us on Facebook: https://www.facebook.com/theoregonian/