Senegalese Migrants Border Towns Border Agents Rescue Operations Origin Feuding Groups Assault Boat Accidents Shipwreck Survivors U.S. Immigration Policy Arrival Rates Border Crossings Emergency Declarations Risk Factors Entry Points Libya Placements in Shelters US Immigration Illegal Border Crossings Support Network Backlash Sanctuary City Deportation Living Conditions Eviction Illegal Immigration False Promises Illegal Crossing Government Support Shelters Day Laborers Mediterranean Work Seeking