The Department of Homeland Security's U.S. Citizenship and Immigration Services stated it had no records responsive to American Oversight's request for statistics on pregnant asylum-seekers in regards to the "Remain in Mexico" program, also known as MPP.

The Department of Justice stated that it had no records responsive to American Oversight's request for records (including guidance or mandates) concerning the operations, policies, and standards of the Denaturalization Section within the Civil Division’s Office of Immigration Litigation.

The Department of Justice stated that it had no records responsive to American Oversight's request for records (including guidance or mandates) concerning the operations, policies, and standards of the Denaturalization Section within the Civil DivisionÕs Office of Immigration Litigation.

The Department of Justice stated that it had no records responsive to American Oversight's request for records (including guidance or mandates) concerning the operations, policies, and standards of the Denaturalization Section within the Civil DivisionÕs Office of Immigration Litigation.

Under the guise of fighting the pandemic, the Trump administration carried out some of its most restrictive anti-immigration measures. American Oversight’s investigation has highlighted how those measures, some of which continued into the Biden administration, were long desired by anti-immigration activists and Trump administration officials

Department of Homeland Security records in response to American Oversight's request for the communications of Kristjen Nielsen, Chad Wolf, and Christina Bobb regarding family separation. These records include documents relating to the so-called "migrant caravan" from April 2018.

Squalid conditions, overcrowding, cold temperatures, inadequate medical care, and even tragic deaths — the emergence of disturbing reports and images from migrant detention facilities added a troubling layer to the Trump administration’s hardline anti-immigration stance.

The Executive Office for Immigration Review stated it had no records responsive to American Oversight's request for particular data on the Deferred Action for Childhood Arrivals (DACA).

Lawsuit filed by Emily Ryo, represented by American Oversight, against the Department of Homeland Security and U.S. Citizenship and Immigration Services for agencies’ naturalization data.

Here’s a look at the investigations our team has been pursuing through public records requests and Freedom of Information Act litigation in the last week.