Nearly 4,000 people live in ` ` El Bordo '' near the Mexican border fence . The rundown area inside Mexico 's border keeps people in immigration detention . Most have been deported from the United States but are n't living in Mexico .
Nearly 4,000 people live in `` El Bordo '' near the U.S.-Mexico border fence . The rundown area inside Mexico 's border houses people in immigration limbo . Most have been deported from the United States but are n't wanted in Mexico .