American Dream: How migrants living on the border cross to the US

A boy runs towards the sea by the US border fence separating San Diego from Tijuana, Mexico, Sunday, Dec. 23, 2018. (AP Photo/Daniel Ochoa de Olza)

A Honduran migrant hangs from the top of the US border fence after looking inside the United States to San Diego, from Tijuana, Mexico, Sunday, Dec. 23, 2018.  (AP Photo/Daniel Ochoa de Olza)

Honduran asylum seekers are taken into custody by US Border Patrol agents after the group crossed the US border wall into San Diego, California, seen from Tijuana, Mexico, Monday, Dec. 24, 2018. (AP Photo/Daniel Ochoa de Olza)

Honduran asylum seekers are taken into custody by US Border Patrol agents after the group crossed the US border wall into San Diego, California, seen from Tijuana, Mexico, Monday, Dec. 24, 2018. (AP Photo/Daniel Ochoa de Olza)

A man climbs up a section of a US-Mexico border wall in Tijuana, Mexico, Monday, Dec. 24, 2018.  (AP Photo/Daniel Ochoa de Olza)

A border patrol car lights Honduran migrants climbing the US border fence to jump inside the United States to San Diego, from Tijuana, Mexico, Tuesday, Dec. 25, 2018.  (AP Photo/Daniel Ochoa de Olza)

A border patrol officer is overpassed by migrants running while others already climbing the US border fence jump inside the United States to San Diego, from Tijuana, Mexico, Tuesday, Dec. 25, 2018. (AP Photo/Daniel Ochoa de Olza)

A border patrol officer fails to arrest a migrant running after jumping the United States border fence to San Diego, from Tijuana, Mexico, Tuesday, Dec. 25, 2018. (AP Photo/Daniel Ochoa de Olza)

A border patrol officer fails to stop a group of migrants running after jumping the United States border fence to San Diego, from Tijuana, Mexico, Tuesday, Dec. 25, 2018. (AP Photo/Daniel Ochoa de Olza)

Honduran migrants climb the border fence to jump inside the United States to San Diego, from Tijuana, Mexico, Tuesday, Dec. 25, 2018. (AP Photo/Daniel Ochoa de Olza)

Border Patrol officers arrest Honduran migrants after jumping the US border fence inside the United States to San Diego, from Tijuana, Mexico, Tuesday, Dec. 25, 2018.  (AP Photo/Daniel Ochoa de Olza)

Border patrol officers arrest Honduran migrants after jumping the US border fence into San Diego from Tijuana, Mexico, Tuesday, Dec. 25, 2018. (AP Photo/Daniel Ochoa de Olza)

A border patrol officer arrests a Honduran migrant after jumping the border fence inside the United States to San Diego, from Tijuana, Mexico, Tuesday, Dec. 25, 2018. (AP Photo/Daniel Ochoa de Olza)

Migrants climb the US border wall and jump into San Diego, from Tijuana, Mexico, Tuesday, Dec. 25, 2018. (AP Photo/Daniel Ochoa de Olza)

A border patrol officer climbs the border fence to look over at the Mexican side looking for migrants that will jump inside the United States to San Diego from Tijuana, Mexico, Tuesday, Dec. 25, 2018.(AP Photo/Daniel Ochoa de Olza)

Border Patrol officers check the barbed wire of the US border fence after a group of migrants jumped inside the United States to San Diego, from Tijuana, Mexico, Tuesday, Dec. 25, 2018.  (AP Photo/Daniel Ochoa de Olza)

A Honduran family of migrants climbs the border fence to jump to San Diego in the United States, from Tijuana, Mexico, Wednesday, Dec. 26, 2018. (AP Photo/Daniel Ochoa de Olza)