Records request to the Yuma County, Ariz., Sheriff's Office seeking records of external communications with anti-immigration groups and individuals.

Records request to the Yuma County, Ariz., seeking records of external communications with anti-immigration groups and individuals.

Records request to the Cochise County, Ariz., Attorney seeking records of external communications with anti-immigration groups and individuals.

Records request to Kinney County, Texas, Attorney seeking records of external communications with anti-immigration groups and individuals.

Records request to Kinney County, Texas, seeking records of external communications with anti-immigration groups and individuals.

Records request to Goliad County, Texas, Sheriff's Office seeking records of external communications with anti-immigration groups and individuals.

Records request to the City of Uvalde, Texas, seeking records of external communications with anti-immigration groups and individuals.

Records request to the City of Brackettville, Texas, seeking records of external communications with anti-immigration groups and individuals.

American Oversight has launched several investigations into the public health provision, obtaining complaints and allegations sent to the DHS Office of Civil Rights and Civil Liberties as well as emails that reveal the role played by former White House aide Stephen Miller in developing the policy.

Customs and Border Protection records from early 2017 related to the agency's "Migration Crisis Action Team."