Migrants, mostly from Venezuela, watch a passing train in the site known as El Basurero, a stretch of land next to a trash dump and the railroad, as they continue their journey to the U.S. border, in Huehuetoca, State of Mexico, Mexico April 28, 2023. For years, mainly Central Americans have crisscrossed Mexico on cargo trains, dubbing them collectively "La Bestia" (The Beast) due to the risk of injury, even death, if they fell off. Migrants are also vulnerable to gangs, cold nights and sweltering days. The latest wave of people are largely poor Venezuelans, including families with small children, mostly aiming to reach Ciudad Juarez, opposite the Texan city of El Paso. REUTERS/Gustavo Graf SEARCH "GONZALEZ GRAF MEXICO TRAIN" FOR THIS STORY. SEARCH "WIDER IMAGE" FOR ALL STORIES. 

Migrants, mostly from Venezuela, rest on top of railcars as they get ready to continue their journey to the U.S. border in the site known as El Basurero, a stretch of land next to a trash dump and the railroad, in Huehuetoca, State of Mexico, Mexico April 26, 2023. For years, mainly Central Americans have crisscrossed Mexico on cargo trains, dubbing them collectively "La Bestia" (The Beast) due to the risk of injury, even death, if they fell off. Migrants are also vulnerable to gangs, cold nights and sweltering days. The latest wave of people are largely poor Venezuelans, including families with small children, mostly aiming to reach Ciudad Juarez, opposite the Texan city of El Paso. REUTERS/Gustavo Graf SEARCH "GONZALEZ GRAF MEXICO TRAIN" FOR THIS STORY. SEARCH "WIDER IMAGE" FOR ALL STORIES. 

Migrants, mostly from Venezuela, climb to a wagon of a train as they get ready to continue their journey to the U.S. border in the site known as El Basurero, a stretch of land next to a trash dump and the railroad, in Huehuetoca, State of Mexico, Mexico April 26, 2023. For years, mainly Central Americans have crisscrossed Mexico on cargo trains, dubbing them collectively "La Bestia" (The Beast) due to the risk of injury, even death, if they fell off. Migrants are also vulnerable to gangs, cold nights and sweltering days. The latest wave of people are largely poor Venezuelans, including families with small children, mostly aiming to reach Ciudad Juarez, opposite the Texan city of El Paso. REUTERS/Gustavo Graf SEARCH "GONZALEZ GRAF MEXICO TRAIN" FOR THIS STORY. SEARCH "WIDER IMAGE" FOR ALL STORIES. 

Migrants, mostly from Venezuela, walk on top of railroad cars as they get ready to continue their journey to the U.S. border in the site known as El Basurero, a stretch of land next to a trash dump and the railroad, in Huehuetoca, State of Mexico, Mexico April 26, 2023. For years, mainly Central Americans have crisscrossed Mexico on cargo trains, dubbing them collectively "La Bestia" (The Beast) due to the risk of injury, even death, if they fell off. Migrants are also vulnerable to gangs, cold nights and sweltering days. The latest wave of people are largely poor Venezuelans, including families with small children, mostly aiming to reach Ciudad Juarez, opposite the Texan city of El Paso. REUTERS/Gustavo Graf TPX IMAGES OF THE DAY SEARCH "GONZALEZ GRAF MEXICO TRAIN" FOR THIS STORY. SEARCH "WIDER IMAGE" FOR ALL STORIES. 

Migrants, mostly from Venezuela, wait at the site known as El Basurero, a stretch of land next to a trash dump and the railroad, for a train to continue their journey to the U.S. border in Huehuetoca, State of Mexico, Mexico April 26, 2023. For years, mainly Central Americans have crisscrossed Mexico on cargo trains, dubbing them collectively "La Bestia" (The Beast) due to the risk of injury, even death, if they fell off. Migrants are also vulnerable to gangs, cold nights and sweltering days. The latest wave of people are largely poor Venezuelans, including families with small children, mostly aiming to reach Ciudad Juarez, opposite the Texan city of El Paso. REUTERS/Gustavo Graf TPX IMAGES OF THE DAY SEARCH "GONZALEZ GRAF MEXICO TRAIN" FOR THIS STORY. SEARCH "WIDER IMAGE" FOR ALL STORIES. 

Migrants, mostly from Venezuela, run to climb on a train in the site known as El Basurero, a stretch of land next to a trash dump and the railroad, as they continue their journey to the U.S. border, in Huehuetoca, State of Mexico, Mexico April 26, 2023. For years, mainly Central Americans have crisscrossed Mexico on cargo trains, dubbing them collectively "La Bestia" (The Beast) due to the risk of injury, even death, if they fell off. Migrants are also vulnerable to gangs, cold nights and sweltering days. The latest wave of people are largely poor Venezuelans, including families with small children, mostly aiming to reach Ciudad Juarez, opposite the Texan city of El Paso. REUTERS/Gustavo Graf TPX IMAGES OF THE DAY SEARCH "GONZALEZ GRAF MEXICO TRAIN" FOR THIS STORY. SEARCH "WIDER IMAGE" FOR ALL STORIES. 

Three migrant girls from Venezuela pose for a picture in the site known as El Basurero, a stretch of land next to a trash dump and the railroad, as their journey towards the U.S. border continues, in Huehuetoca, State of Mexico, Mexico April 18, 2023. For years, mainly Central Americans have crisscrossed Mexico on cargo trains, dubbing them collectively "La Bestia" (The Beast) due to the risk of injury, even death, if they fell off. Migrants are also vulnerable to gangs, cold nights and sweltering days. The latest wave of people are largely poor Venezuelans, including families with small children, mostly aiming to reach Ciudad Juarez, opposite the Texan city of El Paso. REUTERS/Gustavo Graf SEARCH "GONZALEZ GRAF MEXICO TRAIN" FOR THIS STORY. SEARCH "WIDER IMAGE" FOR ALL STORIES. 

Elianna Nicol, a Venezuelan migrant, who intends to reach the United States, travels on a train on the outskirts of Ciudad Juarez, Mexico, April 19, 2023. For years, mainly Central Americans have crisscrossed Mexico on cargo trains, dubbing them collectively "La Bestia" (The Beast) due to the risk of injury, even death, if they fell off. Migrants are also vulnerable to gangs, cold nights and sweltering days. The latest wave of people are largely poor Venezuelans, including families with small children, mostly aiming to reach Ciudad Juarez, opposite the Texan city of El Paso.        REUTERS/ Jose Luis Gonzalez SEARCH "GONZALEZ GRAF MEXICO TRAIN" FOR THIS STORY. SEARCH "WIDER IMAGE" FOR ALL STORIES. 

Migrants, mostly from Venezuela, get on a train at the site known as El Basurero, a stretch of land next to a trash dump and the railroad, as they continue their journey towards the U.S. border in Huehuetoca, State of Mexico, Mexico April 14, 2023. For years, mainly Central Americans have crisscrossed Mexico on cargo trains, dubbing them collectively "La Bestia" (The Beast) due to the risk of injury, even death, if they fell off. Migrants are also vulnerable to gangs, cold nights and sweltering days. The latest wave of people are largely poor Venezuelans, including families with small children, mostly aiming to reach Ciudad Juarez, opposite the Texan city of El Paso. REUTERS/Gustavo Graf SEARCH "GONZALEZ GRAF MEXICO TRAIN" FOR THIS STORY. SEARCH "WIDER IMAGE" FOR ALL STORIES. 

Migrants, mostly from Venezuela, rest by the tracks in the site known as El Basurero, a stretch of land next to a trash dump and the railroad, as they wait for a train to continue their journey towards the U.S. border in Huehuetoca, State of Mexico, Mexico April 14, 2023. For years, mainly Central Americans have crisscrossed Mexico on cargo trains, dubbing them collectively "La Bestia" (The Beast) due to the risk of injury, even death, if they fell off. Migrants are also vulnerable to gangs, cold nights and sweltering days. The latest wave of people are largely poor Venezuelans, including families with small children, mostly aiming to reach Ciudad Juarez, opposite the Texan city of El Paso. REUTERS/Gustavo Graf SEARCH "GONZALEZ GRAF MEXICO TRAIN" FOR THIS STORY. SEARCH "WIDER IMAGE" FOR ALL STORIES. 

Central American migrant boys under 18 years of age prepare to board a Customs and Border Protection bus after crossing the Rio Grande river into the United States from Mexico in Roma, Texas, June 6, 2022. REUTERS/Adrees Latif TPX IMAGES OF THE DAY 

Central American migrant girls under 18 years of age prepare to board a Customs and Border Protection bus after crossing the Rio Grande river into the United States from Mexico in Roma, Texas, June 6, 2022. REUTERS/Adrees Latif 

A Central American migrant dances during an event named "Virtual Reality Baroque Opera" as migrats await the result of their asylum request to U.S, in Tijuana, Mexico May 28, 2022. REUTERS/Jorge Duenes 

A Central American migrant dances during an event named "Virtual Reality Baroque Opera" as migrats await the result of their asylum request to U.S, in Tijuana, Mexico May 28, 2022. REUTERS/Jorge Duenes 

A Central American migrant dances during an event named "Virtual Reality Baroque Opera" as migrats await the result of their asylum request to U.S, in Tijuana, Mexico May 28, 2022. REUTERS/Jorge Duenes 

A Central American migrant dances during an event named "Virtual Reality Baroque Opera" as migrats await the result of their asylum request to U.S, in Tijuana, Mexico May 28, 2022. REUTERS/Jorge Duenes 

Central American migrants dance during an event named "Virtual Reality Baroque Opera" as they await the result of their asylum request to U.S, in Tijuana, Mexico May 28, 2022. REUTERS/Jorge Duenes 

Central American migrants dance during an event named "Virtual Reality Baroque Opera" as they await the result of their asylum request to U.S, in Tijuana, Mexico May 28, 2022. REUTERS/Jorge Duenes 

Central American migrants dance during an event named "Virtual Reality Baroque Opera" as they await the result of their asylum request to U.S, in Tijuana, Mexico May 28, 2022. REUTERS/Jorge Duenes 

Clothing from Central American migrants litters the bank of the Rio Grande, as U.S. authorities, blocked by a federal judge from lifting COVID-19 restrictions that empower agents at the U.S.-Mexico border to turn back migrants, continue to enforce the Title 42 rules which result in the fast expulsion of migrants to Mexico or other countries, in Del Rio, Texas, U.S. May 22, 2022. REUTERS/Marco Bello 

Central American migrants who have just been sent back under Title 42 as U.S. authorities continue to enforce the policy in the city of McAllen, make calls as they figure out their next destination, in Reynosa, Mexico, May 21, 2022. Picture taken May 21, 2022. REUTERS/Veronica G. Cardenas 

Central American migrants who have just been sent back under Title 42 as U.S. authorities continue to enforce the policy in the city of McAllen, make calls and wait as they figure out their next destination, in Reynosa, Mexico, May 21, 2022. Picture taken May 21, 2022. REUTERS/Veronica G. Cardenas 

Central American migrants who have just been sent back under Title 42 as U.S. authorities continue to enforce the policy in the city of McAllen, make calls as they figure out their next destination in Reynosa, Mexico, May 21, 2022. Picture taken May 21, 2022. REUTERS/Veronica G. Cardenas 

Central American Mothers and other relatives hold a flag of El Salvador and pictures of migrants who disappeared while traveling trying to reach the U.S. border, during a demonstration in Veracruz, Mexico May 6, 2022. Picture taken May 6, 2022. REUTERS/Yahir Ceballos 

Central American Mothers and other relatives hold up pictures of migrants who disappeared while traveling trying to reach the U.S. border, during a demonstration in Veracruz, Mexico May 6, 2022. Picture taken May 6, 2022. REUTERS/Yahir Ceballos 

Central American Mothers and other relatives hold up pictures of migrants who disappeared while traveling trying to reach the U.S. border, during a demonstration in Veracruz, Mexico May 6, 2022. Picture taken May 6, 2022. REUTERS/Yahir Ceballos 

People hold a flag of El Salvador as Central American Mothers and other relatives hold up pictures of migrants who disappeared while traveling trying to reach the U.S. border, during a demonstration in Veracruz, Mexico May 6, 2022. Picture taken May 6, 2022. REUTERS/Yahir Ceballos 

Central American Mothers and other relatives hold pictures of migrants who disappeared while traveling trying to reach the U.S. border, during a demonstration in Veracruz, Mexico May 6, 2022. Picture taken May 6, 2022. REUTERS/Yahir Ceballos 

Central American migrants queue for food during the New Year's celebration at the El Buen Samaritano shelter in Ciudad Juarez, Mexico, December 31, 2021. REUTERS/Jose Luis Gonzalez 

A migrant travelling in a caravan of mostly Central American, Venezuelan and Haitian migrants speaks with a health worker from the United Nations Children's Fund (UNICEF) after authorities announced suspension of document processing until the following week, in Tapachula, Mexico December 24, 2021. REUTERS/Jacob Garcia 

A migrant travelling in a caravan of mostly Central American, Venezuelan and Haitian migrants sits outside an ecological park after authorities announced suspension of document processing until the following week, in Tapachula, Mexico December 24, 2021. REUTERS/Jacob Garcia 

A migrant travelling in a caravan of mostly Central American, Venezuelan and Haitian migrants sits in a tent outside an ecological park after authorities announced suspension of document processing until the following week, in Tapachula, Mexico December 24, 2021. REUTERS/Jacob Garcia 

Central American migrants stand in front of tents at a migrant camp as they wait to request asylum in the United States, near the El Chaparral border crossing, in Tijuana, Mexico, December 5, 2021. REUTERS/Jorge Duenes 

A migrant gestures at a migrant camp as Central American migrants wait to request asylum in the United States, near the El Chaparral border crossing in Tijuana, Mexico, December 5, 2021. REUTERS/Jorge Duenes 

A Central American migrant walks with his daughter at a migrant camp as they wait to request asylum in the United States, near the El Chaparral border crossing, in Tijuana, Mexico, December 5, 2021. REUTERS/Jorge Duenes 

Central American migrants line up to receive food at a migrant camp as they wait to request asylum in the United States, near the El Chaparral border crossing in Tijuana, Mexico, December 5, 2021. REUTERS/Jorge Duenes 

Central American migrants wait to request asylum in the United States, at a migrant camp near the El Chaparral border crossing with the U.S, in Tijuana, Mexico, December 5, 2021. REUTERS/Jorge Duenes? 

Central American migrants sit as they wait to request asylum in the United States, at a migrant camp near the El Chaparral border crossing with the U.S, in Tijuana, Mexico, December 5, 2021. REUTERS/Jorge Duenes
 

Central American migrants walk outside a migrant camp as they wait to request asylum in the United States, near the El Chaparral border crossing with the U.S, in Tijuana, Mexico, December 5, 2021. REUTERS/Jorge Duenes 

Central American migrant children line up to receive food as they wait to apply for asylum in the United States, at a migrant camp near the El Chaparral border crossing with the U.S, in Tijuana, Mexico, December 5, 2021. REUTERS/Jorge Duenes 

Central American migrants, waiting to request asylum in the United States, stand in a migrant camp near the El Chaparral border crossing in Tijuana, Mexico, December 5, 2021. REUTERS/Jorge Duenes 

Central American migrants board a bus after accepting an offer from the Mexican government to leave a caravan bound for the U.S. and obtain humanitarian visas to transit Mexican territory, in Huixtla, Mexico November 27, 2021. REUTERS/Jose Luis Gonzalez 

Central American migrants brush their teeth as they take part in a caravan heading to the U.S. border, in Escuintla, Mexico November 21, 2021. REUTERS/Jose Luis Gonzalez 

Bracelets used by the U.S. Border Patrol are seen on the arm of a Central American migrant, who was expelled from the U.S. and sent back to Mexico under Title 42, as he stands near the Paso del Norte international border bridge in Ciudad Juarez, Mexico October 1, 2021. REUTERS/Jose Luis Gonzalez 

A Central American migrant, who was expelled from the U.S. and sent back to Mexico under Title 42, stands near the Paso del Norte international border bridge in Ciudad Juarez, Mexico October 1, 2021. REUTERS/Jose Luis Gonzalez 

Central American migrant children, who were airlifted from Brownsville to El Paso, Texas, U.S., and expelled from the United States under Title 42 with their parents, play outside the National Institute of Migration (INM) in Ciudad Juarez, Mexico August 26, 2021. REUTERS/Jose Luis Gonzalez 

Central American migrant children, who were airlifted from Brownsville to El Paso, Texas, U.S., and expelled from the United States under Title 42 with their parents, play outside the National Institute of Migration (INM) in Ciudad Juarez, Mexico August 26, 2021. REUTERS/Jose Luis Gonzalez 

Central American migrant children, who were airlifted from Brownsville to El Paso, Texas, U.S., and expelled from the United States under Title 42 with their parents, play outside the National Institute of Migration (INM) in Ciudad Juarez, Mexico August 26, 2021. REUTERS/Jose Luis Gonzalez 

Central American migrant children, who were airlifted from Brownsville to El Paso, Texas, U.S., and expelled from the United States under Title 42 with their parents, play outside the National Institute of Migration (INM) in Ciudad Juarez, Mexico August 26, 2021. REUTERS/Jose Luis Gonzalez 

The feet of Central American migrant children, who were airlifted from Brownsville to El Paso, Texas, U.S., and expelled from the United States under Title 42 with their parents, line up while playing outside the National Institute of Migration (INM) in Ciudad Juarez, Mexico August 26, 2021. REUTERS/Jose Luis Gonzalez 

Central American migrant children, who were airlifted from Brownsville to El Paso, Texas, U.S., and expelled from the United States under Title 42 with their parents, play outside the National Institute of Migration (INM) in Ciudad Juarez, Mexico August 26, 2021. REUTERS/Jose Luis Gonzalez 

Central American migrants, who were airlifted from Brownsville to El Paso, Texas, U.S., and expelled from the United States under Title 42, wait in a queue for food at the National Institute of Migration (INM), in Ciudad Juarez, Mexico August 25, 2021. REUTERS/Jose Luis Gonzalez 

Central American migrants, who were airlifted from Brownsville to El Paso, Texas, U.S., and expelled from the United States under Title 42, enter the National Institute of Migration (INM), in Ciudad Juarez, Mexico August 25, 2021. REUTERS/Jose Luis Gonzalez 

Central American migrants, who were airlifted from Brownsville to El Paso, Texas, U.S., and expelled from the United States under Title 42, enter the National Institute of Migration (INM), in Ciudad Juarez, Mexico August 25, 2021. REUTERS/Jose Luis Gonzalez 

Central American migrants, who were airlifted from Brownsville to El Paso, Texas, U.S., and expelled from the United States under Title 42, enter the National Institute of Migration (INM), in Ciudad Juarez, Mexico August 25, 2021. REUTERS/Jose Luis Gonzalez 

Central American migrants, who were airlifted from Brownsville to El Paso, Texas, U.S., and expelled from the United States under Title 42, walk towards Mexico on the Lerdo Stanton International Bridge, as seen from Ciudad Juarez, Mexico August 25, 2021. REUTERS/Jose Luis Gonzalez