From Electronic Frontier Foundation:
This is a first for us in all of EFF's history of Freedom of Information Act (FOIA) litigation—Immigrations and Customs Enforcement (ICE) has demanded we return records it gave us more than a year ago. The release of these documents doesn't endanger national security or create a risk to an ongoing law enforcement investigation. Instead, it seems that ICE simply wants to stymie further FOIA requests from EFF as we try to get answers about the government's electronic surveillance procedures.
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It took ICE almost a year to get back to us on the narrowed request, and when it did, its response was frustrating. Not only did the agency decide that it would still be too burdensome to conduct any kind of a search for similar records, but ICE also told us it never should have turned over the original records in the first place—and it wanted them back. The problem for ICE is, these records have already been in the public’s hands for over six months…