Wisconsin and New York became the latest states to drop out of a controversial interstate law enforcement data-sharing program shortly after joining it.

Wisconsin pulled out of the Multi-State Anti-Terrorism Information Exchange program, otherwise known as Matrix, on Thursday, just two days after Wired News reported that the state had signed on in early February.

With access to the Matrix database, law enforcement investigators can look up vast amounts of personal information culled from government and commercial databases. The information includes driver's license pictures, addresses, professional licenses, names of neighbors and relatives, and even domain-name registration filings and hunting licenses.

By Ryan Singel at Wired.

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