Could Brian Laundrie still be alive if he's in Florida's Carlton Reserve? Here's what survival experts think
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He would need shelter, water, food
It's unclear what Laundrie took with him when he left. His parents
told police he left home with a backpack. Experts say a big part of whether he could still be alive if he was in the reserve depends on how prepared he was when he allegedly went in and how able he is to come up with the three basics: shelter, water and food.
"If he had ways to disinfect the water through filtration and (cover) to protect himself from the weather and things like that, he could survive for a certain period of time," survival expert
Dave Canterbury told CNN's Erin Burnett on Thursday. "If he had ways to gather food and process that food, he could survive even longer."
But Laundrie would likely have to process and cook the food he gathers, Canterbury added, and if his water filtration system failed, he would have to find another way to disinfect the water. Both of those things would likely require him starting a fire.
But North Port police spokesperson Josh Taylor told CNN's Randi Kaye on Friday authorities have not found any physical evidence of Laundrie in the reserve. Police also disputed that a recently used campsite was found -- information that was given to CNN from a source close to the Laundrie family.
"Starting fire is going to be a big no-no for (Laundrie) if he doesn't want to get found or seen, so I think it's going to be very difficult for him to stay out there for a very long period of time," Canterbury said. But he added that Laundrie could have had enough in his backpack to survive up to this point.
Alan McEwen, a cattle rancher and outdoorsman who lives near the reserve, said the area feels like "muck," with parts of the reserve reaching knee- and waist-deep water levels -- making camping in that wilderness extremely difficult.
"The palmettos out there alone are enough to trip you up,
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palmettos
when you're walking through them, when you you stumble through them," McEwen told CNN's Chris Cuomo Friday night. "The mosquitos will carry you off, anybody out there more than a day without mosquito spray, you'd go insane with the bugs getting you and everything else."
"There's just no possible way for anybody to survive out there like that," he added. "Nobody."