Wifi Spy
Just because you’re "borrowing" your neighbor’s wifi signal because you don’t have your own doesn’t mean that the police can’t subpoena your internet files without a search warrant.
The fourth amendment of the constitution protects us against unreasonable government searches when suspects have a reasonable expectation of privacy.
In a 2011 poll, 32% of the people queried said that they had tried to get onto a wireless network that wasn’t theirs, and there’s plenty to choose from: It’s now estimated that more that 200 people now use wi-fi networks.
Police have to use special software to identify wi-fi "squatters," who use the same network as paying subscribers.
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