President Joe Biden’s administration is formally relaunching a program that will force some asylum seekers to wait in Mexico for their claims to be heard. The Migrant Protection Protocols (MPP), often known as “Remain in Mexico,” were started during the Trump era, and proved effective in driving down illegal immigration. The United States will restart the program on or around Dec. 6 after reaching an agreement with counterparts in Mexico, the U.S. Department of Homeland Security (DHS) announced Thursday. Biden halted the program hours after being sworn in after describing it as “dangerous” and “inhumane.” Homeland Security Secretary Alejandro Mayorkas, a Biden nominee, formally scrapped it in June, claiming that “any benefits the program may have offered are now far outweighed by the challenges, risks, and costs that it presents.” But he and other officials failed to adhere to federal law on ending policies, a judge ruled in August. Mayorkas …