(NewsNation) — As the manhunt for Grant Hardin continues, Dave Canterbury, an expert on wilderness survival, said he believes the “Devil in the Ozarks” is prone to slip up sooner rather than later.

Dave Canterbury, former star of "Dual Survival," hunted and ate invasive species in south Florida. Canterbury consumed iguana, alligator, and invasive fish species like cichlids and tilapia. He plans ...