"Bring 'em on. I'm a United States Marine. I'm not afraid of anyone. I'm not afraid of them," he said. "When I'm done with them, they will know that they've been in a fight. I may not win, but I'm going to hurt them."
Associated Press writer Josh Funk contributed to this report from Omaha, Neb.
Plushnick-Masti can be followed on Twitter at https://twitter.com/RamitMastiAP