Am. Immigration Council v. ICE (D.D.C.) -- concluding that: (1) U.S. Immigration and Customs Enforcement and U.S Customs & Border Patrol improperly relied on Exemption 7(C) to withhold full birth dates of apprehended individuals, because agencies failed to show that disclosure of birth month and year of anonymous individuals could be used to identify them; (2) ICE did not perform adequate search for unique identifiers of apprehended individuals, and CBP improperly withheld unique identifiers pursuant to Exemption 7(E); (3) CBP properly relied on Exemption 7(E) to withhold locations where individuals were apprehended; and (4) ICE was not required to create a codebook or glossary of the terms and acronyms contained in responsive spreadsheets, but it was required to search for definitions within agency databases.

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