Central American migrants return to Mexican side of the Rio Grande river after failing to cross into the United States on an inflatable raft in Roma, Texas, U.S. April 28, 2021. Picture taken April 28, 2021. REUTERS/Go Nakamura TPX IMAGES OF THE DAY

Central American migrants are being escorted by the members of U.S. National Guard after crossing the Rio Grande river into the United States from Mexico in Roma, Texas, U.S. April 28, 2021. Picture taken April 28, 2021. REUTERS/Go Nakamura

Central American migrants return to Mexican side of the Rio Grande river after failing to cross into the United States on an inflatable raft, in Roma, Texas, U.S. April 28, 2021. Picture taken April 28, 2021. REUTERS/Go Nakamura

Central American migrants are being escorted by the members of U.S. National Guard after crossing the Rio Grande river into the United States from Mexico in Roma, Texas, U.S. April 28, 2021. Picture taken April 28, 2021. REUTERS/Go Nakamura

Asylum-seeking migrant families wait to be transported by the U.S. Border Patrol after crossing the Rio Grande river into the United States from Mexico in La Joya, Texas, U.S. April 27, 2021. REUTERS/Go Nakamura

Members of an asylum-seeking migrant family wait to be transported by the U.S. Border Patrol after crossing the Rio Grande river into the United States from Mexico in La Joya, Texas, U.S. April 27, 2021. REUTERS/Go Nakamura

Asylum-seeking migrant families wait to be transported by the U.S. Border Patrol after crossing the Rio Grande river into the United States from Mexico in La Joya, Texas, U.S. April 27, 2021. REUTERS/Go Nakamura

Central American migrants wait to be transported by the U.S. Border Patrol after crossing the Rio Grande river into the United States from Mexico in La Joya, Texas, U.S. April 27, 2021. REUTERS/Go Nakamura

Central American migrants climb over a fence as they are detained by U.S. Border Patrol agents after crossing the Rio Grande river into the United States from Mexico in La Joya, Texas, U.S., April 27, 2021. REUTERS/Go Nakamura

Central American migrants climb over a fence as they are detained by U.S. Border Patrol agents after crossing the Rio Grande river into the United States from Mexico in La Joya, Texas, U.S., April 27, 2021. REUTERS/Go Nakamura

Asylum-seeking migrant families wait to be transported by the U.S. Border Patrol after crossing the Rio Grande river into the United States from Mexico in La Joya, Texas, U.S. April 27, 2021. REUTERS/Go Nakamura

Central American migrants detained by the U.S. Border Patrol agents after crossing the Rio Grande river into the United States from Mexico in La Joya, Texas, U.S., April 27, 2021. REUTERS/Go Nakamura

Central American migrants are escorted out of private land as they are detained by the U.S. Border Patrol agents after crossing the Rio Grande river into the United States from Mexico in La Joya, Texas, U.S., April 27, 2021. REUTERS/Go Nakamura

Central American migrants wait to be transported by the U.S. Border Patrol after crossing the Rio Grande river into the United States from Mexico in La Joya, Texas, U.S. April 27, 2021. REUTERS/Go Nakamura

Central American migrants wait to be transported by the U.S. Border Patrol after crossing the Rio Grande river into the United States from Mexico in La Joya, Texas, U.S. April 27, 2021. REUTERS/Go Nakamura

An asylum-seeking migrant father plays with his child while waiting to be transported by the U.S. Border Patrol after crossing the Rio Grande river into the United States from Mexico in La Joya, Texas, U.S. April 27, 2021. REUTERS/Go Nakamura TPX IMAGES OF THE DAY

Asylum-seeking migrant families wait to be transported by the U.S. Border Patrol after crossing the Rio Grande river into the United States from Mexico in La Joya, Texas, U.S. April 27, 2021. REUTERS/Go Nakamura

Members of an asylum-seeking migrant family wait to be transported by the U.S. Border Patrol after crossing the Rio Grande river into the United States from Mexico in La Joya, Texas, U.S. April 27, 2021. REUTERS/Go Nakamura

Central American migrants wait to be transported by the U.S. Border Patrol after crossing the Rio Grande river into the United States from Mexico in La Joya, Texas, U.S. April 27, 2021. REUTERS/Go Nakamura

Asylum-seeking migrant families board a bus to be transported by the U.S. Border Patrol after crossing the Rio Grande river into the United States from Mexico in La Joya, Texas, U.S. April 27, 2021. REUTERS/Go Nakamura

Asylum-seeking migrant families make a line to board a bus to be transported by the U.S. Border Patrol after crossing the Rio Grande river into the United States from Mexico in La Joya, Texas, U.S. April 27, 2021. REUTERS/Go Nakamura

Asylum-seeking migrant families wait to be transported by the U.S. Border Patrol after crossing the Rio Grande river into the United States from Mexico in La Joya, Texas, U.S. April 27, 2021. REUTERS/Go Nakamura TPX IMAGES OF THE DAY

A pregnant asylum-seeking migrant woman waits to board a bus to be transported by the U.S. Border Patrol after crossing the Rio Grande river into the United States from Mexico in La Joya, Texas, U.S. April 27, 2021. REUTERS/Go Nakamura

A pregnant asylum-seeking migrant woman waits to board a bus to be transported by the U.S. Border Patrol after crossing the Rio Grande river into the United States from Mexico in La Joya, Texas, U.S. April 27, 2021. REUTERS/Go Nakamura

Asylum-seeking migrant families wait to be transported by the U.S. Border Patrol after crossing the Rio Grande river into the United States from Mexico in La Joya, Texas, U.S. April 27, 2021. REUTERS/Go Nakamura

Central American migrants protest to demand access and asylum in the United States from U.S. President Joe Biden, at the Mexico-U.S. San Ysidro border crossing in Tijuana, Mexico, April 23, 2021. Picture taken April 23, 2021. REUTERS/Toya Sarno Jordan

Central American migrants rest after taking part in a protest to demand access and asylum in the United States from U.S. President Joe Biden, at the Mexico-U.S. San Ysidro border crossing in Tijuana, Mexico, April 23, 2021. Picture taken April 23, 2021. REUTERS/Toya Sarno Jordan

An asylum-seeking migrant sits on the ground as Central American migrants protest to demand access and asylum in the United States from U.S. President Joe Biden, at the Mexico-US San Ysidro border crossing in Tijuana, Mexico, April 23, 2021. Picture taken April 23, 2021. REUTERS/Toya Sarno Jordan

Central American migrants protest to demand access and asylum in the United States from U.S. President Joe Biden, at the Mexico-U.S. San Ysidro border crossing in Tijuana, Mexico, April 23, 2021. Picture taken April 23, 2021. REUTERS/Toya Sarno Jordan

Central American migrants protest to demand access and asylum in the United States from U.S. President Joe Biden, at the Mexico-U.S. San Ysidro border crossing in Tijuana, Mexico, April 23, 2021. Picture taken April 23, 2021. REUTERS/Toya Sarno Jordan

Central American migrants protest to demand access and asylum in the United States from U.S. President Joe Biden, at the Mexico-U.S. San Ysidro border crossing in Tijuana, Mexico, April 23, 2021. Picture taken April 23, 2021. REUTERS/Toya Sarno Jordan

Central American migrants protest to demand access and asylum in the United States from U.S. President Joe Biden, at the Mexico-U.S. San Ysidro border crossing in Tijuana, Mexico, April 23, 2021. Picture taken April 23, 2021. REUTERS/Toya Sarno Jordan

Migrants from Honduras and Haiti select cacao seeds for sowing, as part of Mexican President Andres Manuel Lopez Obrador administration's signature "Sembrando Vida," or "Sowing Life" program, at the Tapachula Forestry Garden Center, in Tapachula, Mexico April 21, 2021. Picture taken April 21, 2021. REUTERS/Jose Torres

Migrants from Honduras and Haiti select cacao seeds for sowing, as part of Mexican President Andres Manuel Lopez Obrador administration's signature "Sembrando Vida," or "Sowing Life" program, at the Tapachula Forestry Garden Center, in Tapachula, Mexico April 21, 2021. Picture taken April 21, 2021. REUTERS/Jose Torres

A Mexican woman and a Central American migrant work in a compost to create organic material to be used as fertilizer for plants, as part of Mexican President Andres Manuel Lopez Obrador administration's signature "Sembrando Vida," or "Sowing Life" program, at the Tapachula Forestry Garden Center, in Tapachula, Mexico April 21, 2021. Picture taken April 21, 2021. REUTERS/Jose Torres

Migrants from Honduras and Haiti select cacao seeds for sowing, as part of Mexican President Andres Manuel Lopez Obrador administration's signature "Sembrando Vida," or "Sowing Life" program, at the Tapachula Forestry Garden Center, in Tapachula, Mexico April 21, 2021. Picture taken April 21, 2021. REUTERS/Jose Torres

Central American migrants work in a compost to create organic material to be used as fertilizer for plants, as part of Mexican President Andres Manuel Lopez Obrador administration's signature "Sembrando Vida," or "Sowing Life" program, at the Tapachula Forestry Garden Center, in Tapachula, Mexico April 21, 2021. Picture taken April 21, 2021. REUTERS/Jose Torres

Central American migrants work in a compost to create organic material to be used as fertilizer for plants, as part of Mexican President Andres Manuel Lopez Obrador administration's signature "Sembrando Vida," or "Sowing Life" program, at the Tapachula Forestry Garden Center, in Tapachula, Mexico April 21, 2021. Picture taken April 21, 2021. REUTERS/Jose Torres

Central American migrants work in a compost to create organic material to be used as fertilizer for plants, as part of Mexican President Andres Manuel Lopez Obrador administration's signature "Sembrando Vida," or "Sowing Life" program, at the Tapachula Forestry Garden Center, in Tapachula, Mexico April 21, 2021. Picture taken April 21, 2021. REUTERS/Jose Torres

A Mexican woman and Central American migrants work in a compost to create organic material to be used as fertilizer for plants, as part of Mexican President Andres Manuel Lopez Obrador administration's signature "Sembrando Vida," or "Sowing Life" program, at the Tapachula Forestry Garden Center, in Tapachula, Mexico April 21, 2021. Picture taken April 21, 2021. REUTERS/Jose Torres

Central American migrants work in a compost to create organic material to be used as fertilizer for plants, as part of Mexican President Andres Manuel Lopez Obrador administration's signature "Sembrando Vida," or "Sowing Life" program, at the Tapachula Forestry Garden Center, in Tapachula, Mexico April 21, 2021. Picture taken April 21, 2021. REUTERS/Jose Torres

Central American migrants work in a compost to create organic material to be used as fertilizer for plants, as part of Mexican President Andres Manuel Lopez Obrador administration's signature "Sembrando Vida," or "Sowing Life" program, at the Tapachula Forestry Garden Center, in Tapachula, Mexico April 21, 2021. Picture taken April 21, 2021. REUTERS/Jose Torres

Central American migrants rest inside the "Sacred Family" shelter as they make the perilous journey north to the United States, in Apizaco, Tlaxcala, Mexico April 16, 2021. Picture taken April 16, 2021.REUTERS/Carlos Jasso

A Central American migrant's shadow is seen next to coffee cups inside the "Sacred Family" shelter as he makes the perilous journey north to the United States, in Apizaco, Tlaxcala, Mexico April 16, 2021. Picture taken April 16, 2021.REUTERS/Carlos Jasso

Central American migrants queue for food inside the "Sacred Family" shelter as they make the perilous journey north to the United States, in Apizaco, Tlaxcala, Mexico April 16, 2021. Picture taken April 16, 2021.REUTERS/Carlos Jasso

Central American migrants queue for food inside the "Sacred Family" shelter as they make the perilous journey north to the United States, in Apizaco, Tlaxcala, Mexico April 16, 2021. Picture taken April 16, 2021.REUTERS/Carlos Jasso

Central American migrants wash their plates inside the "Sacred Family" shelter as they make the perilous journey north to the United States, in Apizaco, Tlaxcala, Mexico April 16, 2021. Picture taken April 16, 2021. REUTERS/Carlos Jasso

Central American migrants eat donated food inside the "Sacred Family" shelter as they make the perilous journey north to the United States, in Apizaco, Tlaxcala, Mexico April 16, 2021. Picture taken April 16, 2021.REUTERS/Carlos Jasso

A Central American migrant is seen reflected in a mirror, inside the "Sacred Family" shelter as they make the perilous journey north to the United States, in Apizaco, Tlaxcala, Mexico April 16, 2021. Picture taken April 16, 2021. REUTERS/Carlos Jasso

Central American migrants play with a ball inside the "Sacred Family" shelter as they make the perilous journey north to the United States, in Apizaco, Tlaxcala, Mexico April 16, 2021. Picture taken April 16, 2021. REUTERS/Carlos Jasso TPX IMAGES OF THE DAY

Central American migrants walk next to the train track outside the "Sacred Family" shelter as they make the perilous journey north to the United States, in Apizaco, Tlaxcala, Mexico April 16, 2021. Picture taken April 16, 2021. REUTERS/Carlos Jasso

Central American migrants are seen inside the "Sacred Family" shelter as they make the perilous journey north to the United States, in Apizaco, Tlaxcala, Mexico April 16, 2021. Picture taken April 16, 2021. REUTERS/Carlos Jasso

Central American migrants are seen on the train as they make the perilous journey north to the United States, in Apizaco, Tlaxcala, Mexico April 16, 2021. Picture taken April 16, 2021.REUTERS/Carlos Jasso

Central American migrants stand on the train track outside the "Sacred Family" shelter as they make the perilous journey north to the United States, in Apizaco, Tlaxcala, Mexico April 16, 2021. Picture taken April 16, 2021. REUTERS/Carlos Jasso

Central American migrants walk on the train track near the "Sacred Family" shelter as they make the perilous journey north to the United States, in Apizaco, Tlaxcala, Mexico April 16, 2021. Picture taken April 16, 2021. REUTERS/Carlos Jasso

Central American migrants stand outside the "Sacred Family" shelter as they make the perilous journey north to the United States, in Apizaco, Tlaxcala, Mexico April 16, 2021. Picture taken April 16, 2021. REUTERS/Carlos Jasso

Central American migrants walk on the train track near the "Sacred Family" shelter as they make the perilous journey north to the United States, in Apizaco, Tlaxcala, Mexico April 16, 2021. Picture taken April 16, 2021. REUTERS/Carlos Jasso TPX IMAGES OF THE DAY

Central American migrants stand on the train track outside the "Sacred Family" shelter as they make the perilous journey north to the United States, in Apizaco, Tlaxcala, Mexico April 16, 2021. Picture taken April 16, 2021. REUTERS/Carlos Jasso

Central American migrants stand on the train track outside the "Sacred Family" shelter as they make the perilous journey north to the United States, in Apizaco, Tlaxcala, Mexico April 16, 2021. Picture taken April 16, 2021. REUTERS/Carlos Jasso TPX IMAGES OF THE DAY