Federal officials said they were targeting over 100 alleged members of Tren de Aragua, a Venezuelan gang with prison origins that has expanded throughout the Americas.

Also Tuesday, Colorado Public Radio and CBS4 were among outlets that reported the U.S. military was preparing space at Buckley Space Force Base in Aurora for staging, processing and temporary holding of “criminal aliens” detained in ICE operations, according to a U.S. Northern Command statement.

Officers from several U.S. federal agencies searched for alleged members of Venezuelan street gang Tren de Aragua on Wednesday in Aurora, the Colorado city with a large migrant population where President Donald Trump laid out his immigration policies during his campaign.