Several stories on the current ICE tactic of transporting immigrants picked up in the Rio Grande Valley to Tucson and Phoenix, releasing them at bus stations. According to the articles, most of these immigrants have come from Central American countries.
Immigrant Surge In McAllen Crowds Bus Station In Tucson (The Brownsville Herald)
Scores Of Undocumented Migrants Dropped Off In Arizona (AZ Central)
Volunteers, Travelers Help Stranded Migrants (AZ Central)
Frontera List 