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    Meet URL, the 'porn sniffing' dog

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Meet URL, the 'porn sniffing' dog

URL is among an exclusive group of electronic detection K-9s that have become an essential tool for detectives investigating child pornography cases. CNN's Ana Cabrera went to Ogden, Utah, to put URL to the test.

Meet URL, the 'porn sniffing' dog

URL is among an exclusive group of electronic detection K-9s that have become an essential tool for detectives investigating child pornography cases. CNN's Ana Cabrera went to Ogden, Utah, to put URL to the test.