Congressional Investigations

Offering comprehensive solutions for companies and individuals facing the legal, reputational, political and collateral implications of a congressional investigation.

Visit our resource center for insights into the policies and initiatives instituted by the current Trump Administration.

Key Contacts

Meet Our Team

Experience

  • United States Senate

    Our experience includes investigations by more than a dozen Senate committees and subcommittees, including the following:

    • Senate Special Committee on Aging Senate Committee on Armed Services
    • Senate Committee on Banking, Housing, and Urban Affairs
    • Senate Committee on Commerce, Science, and Transportation
    • Senate Committee on Energy and Natural Resources
    • Senate Committee on Environment and Public Works
    • Senate Select Committee on Ethics
    • Senate Committee on Finance
    • Senate Committee on Foreign Relations
    • Senate Committee on Health, Education, Labor, and Pensions
    • Senate Committee on Homeland Security and Governmental Affairs
    • Senate Committee on Intelligence
    • Senate Permanent Subcommittee on Investigations
    • Senate Committee on the Judiciary
  • United States House of Representatives

    Our experience in House investigations has spanned more than a dozen committees and subcommittees, including the following:

    • House Committee on Armed Services
    • House Committee on Education and the Workforce
    • House Committee on Energy and Commerce
    • House Committee on Ethics
    • House Financial Services Committee
    • House Committee on Foreign Affairs
    • House Committee on Homeland Security
    • House Permanent Select Committee on Intelligence
    • House Committee on the Judiciary
    • House Committee on Natural Resources
    • House Committee on Oversight and Government Reform
    • Committee on Ways and Means
    • Select Committee on the Events Surrounding the 2012 Terrorist Attack in Benghazi

Recognition

  • Chambers USA GuideNamed among the most elite law firms in the Congressional investigations space in the 2022–2025 editions, with clients noting our team is "well-connected and their knowledge of the inner workings of Congress is incredibly valuable."
  • Chambers Crisis & Risk Management GuideRanked 2022–2025 Nationwide for Crisis Management, reflecting the firm’s longstanding strength advising clients on congressional investigations, regulatory crises and politically sensitive matters.
  • The Legal 500 United StatesRecognized the firm's Congressional Investigations Practice in its 2023–2025 editions.
  • The National Law JournalNamed a winner (2022) and finalist (2023) for the Crisis Management & Government Oversight Award, recognizing excellence in guiding clients through complex, high‑stakes government and congressional investigations.

Insights & News

  • Speaking Engagement
January 22-23, 2026

Lauren Moore to Present at 43rd Annual Nonprofit Organizations Institute

The 43rd Annual Nonprofit Organizations Institute brings together leading experts from private foundations, public charities, law, finance, and government for an in-depth discussion of the most significant tax, legislative, and governance issues shaping the nonprofit sector today.
  • Podcast
  • In the Public Interest
January 31, 2025

The First 100 Days: What’s on the Horizon from the Second Trump Administration

In the season five premiere of In the Public Interest, co-host Felicia Ellsworth discusses President Trump's second non-consecutive term, his administration's priorities, and the political landscape with WilmerHale's Alyssa DaCunha, Rob Lehman and Jonathan Yarowsky.
  • Publication
January 21, 2025

New Congress Expected to Zoom to Private Sector Investigations

In an article published in Bloomberg Law, Partners Alyssa DaCunha and Joel Green and Associate Kelley Kling discuss a potential era of investigative oversight priorities to come from the Republican majority control of the 119th Congress. 

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