WILLIAMS & CONNOLLY LLP v. UNITED STATES DEPARTMENT OF HOMELAND SECURITY et al

  1. November 03, 2025

    Williams & Connolly Loses FOIA Suit For Halkbank Documents

    Federal agencies including U.S. Immigration and Customs Enforcement have fulfilled their obligations responding to certain Freedom of Information Act requests made by Williams & Connolly LLP in connection with its defense of Turkish state-owned bank Halkbank, a D.C. federal judge has determined.

  2. May 30, 2025

    DHS Moves To Ax BigLaw Firm's Halkbank FOIA Dispute

    The U.S. Department of Homeland Security urged a D.C. federal judge to end Williams & Connolly LLP's fight for records related to a businessman who cooperated with prosecutors in their pending case alleging the firm's client Halkbank laundered Iranian oil proceeds, arguing Thursday officials searched for responsive records, but nothing turned up.

  3. August 20, 2024

    BigLaw Firm Sues Feds For Halkbank Cooperator Docs

    Halkbank's criminal defense lawyers at Williams & Connolly LLP are suing U.S. immigration authorities in search of documents related to businessman Reza Zarrab, who pled guilty and cooperated with prosecutors in their pending case alleging that the Turkish state-owned lender laundered proceeds of Iranian oil.