Alpha Ousmane Diallo v. JL Jamison, in his official capacity as Warden, Federal Detention Center, Philadelphia, et al.

IN THE UNITED STATES DISTRICT COURT FOR THE EASTERN DISTRICT OF PENNSYLVANIA ALPHA OUSMANE DIALLO, CIVIL ACTION Petitioner, NO. 26-4895-KSM v. JL JAMISON, in his official capacity as Warden, Federal Detention Center, Philadelphia, et al., Respondents. MEMORANDUM MARSTON, J. AUGUST 28, 2026 The Executive Branch of the U.S. Federal Government has significant, and near plenary, authority with respect to the immigration laws of this Country. But that authority only exists when the Executive Branch faithfully follows the laws that Congress has passed, its own agency opinions and procedures, and…