A retired U.S. Army sergeant is recalling his face-to-face encounter with alleged nine-foot-tall creatures during a military exercise, warning that the massive beings are lurking in the American heartland as new sightings emerge in Ohio.

Todd Neiss, a longtime skeptic who used to dismiss Bigfoot as an urban legend, is now the head of the American Primate Conservancy. He joined "Fox & Friends First" to discuss the encounter that shattered his skepticism and changed the course of his life.

"All that changed for me in 1993 while conducting a military exercise in the Oregon Coast Range," Neiss said Tuesday. "Those 25 seconds changed the entire course of my life."

Speaking from personal experience, it'll do that to you.

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