Juan Rivera v. Robert Guadian

USCA4 Appeal: 25-7050 Doc: 79 Filed: 09/10/2026 Pg: 1 of 86 PUBLISHED UNITED STATES COURT OF APPEALS FOR THE FOURTH CIRCUIT No. 25-7044 OSCAR ENRIQUE LOPEZ GARCIA, Petitioner – Appellee, v. ROBERT GUADIAN, in his official capacity as Director of the Washington Field Office of U.S. Immigration and Customs Enforcement; MARKWAYNE MULLIN, in his official capacity as Secretary of the U.S. Department of Homeland Security; TODD BLANCHE, in his official capacity as Attorney General of the United States, Respondents – Appellants, and PAUL PERRY, in his official capacity as Warden of Caroline Detention…