Giant snails invade Fla., threaten homes and humans

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Giant snails invade Fla., threaten homes and humans

Giant snails invade Fla., threaten homes and humans
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Giant snails invade Fla., threaten homes and humans

CBSTV Videos 2:31 mins

South Florida is full of insects and species from other countries. CBS News' Mark Strassmann reports on an invasive snail that eats almost anything in its path, including houses.

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