desperate journey: migrant navigates jacumba's border wall in search of entry into the united states

abstract america asylum attempt barrier border california challenges checkpoint control crisis crossing customs desperation deterrence enforcement entry escape homeland human humanitarian illegal illegally immigration implications industries international issue jacumba journey law laws legal management migrant migration navigation patrol perilous policy protection refuge region rights risk route security seeker seeking situation smuggling southern states struggle surveillance travel trespassing undocumented united usmexico vulnerable walks wall