Activists defending the rights of migrants hold a protest near Fort Bliss to call for the end of the detention of unaccompanied minors at the facility in El Paso, Texas, U.S, June 8, 2021. REUTERS/Jose Luis Gonzalez

Activists defending the rights of migrants hold a protest near Fort Bliss to call for the end of the detention of unaccompanied minors at the facility in El Paso, Texas, U.S, June 8, 2021. REUTERS/Jose Luis Gonzalez

Activist defending the rights of migrants holds a protest near Fort Bliss to call for the end of the detention of unaccompanied minors at the facility in El Paso, Texas, U.S, June 8, 2021. REUTERS/Jose Luis Gonzalez

Activists defending the rights of migrants hold a protest near Fort Bliss to call for the end of the detention of unaccompanied minors at the facility in El Paso, Texas, U.S, June 8, 2021. REUTERS/Jose Luis Gonzalez

Activists defending the rights of migrants hold a protest near Fort Bliss to call for the end of the detention of unaccompanied minors at the facility in El Paso, Texas, U.S, June 8, 2021. Placard reads "Reunite Families Now". REUTERS/Jose Luis Gonzalez

Activists defending the rights of migrants hold a protest near Fort Bliss to call for the end of the detention of unaccompanied minors at the facility in El Paso, Texas, U.S, June 8, 2021. REUTERS/Jose Luis Gonzalez

Activists defending the rights of migrants hold a protest near Fort Bliss to call for the end of the detention of unaccompanied minors at the facility in El Paso, Texas, U.S, June 8, 2021. REUTERS/Jose Luis Gonzalez

Activists defending the rights of migrants hold a protest near Fort Bliss to call for the end of the detention of unaccompanied minors at the facility in El Paso, Texas, U.S, June 8, 2021. Placards read "Release Them". REUTERS/Jose Luis Gonzalez

Asylum-seeking migrants from Central America, including unaccompanied youth in the front, await to be transported by the U.S. board patrol after crossing the Rio Grande river into the United States from Mexico in La Joya, Texas, U.S., May 24, 2021. REUTERS/Adrees Latif

Unaccompanied asylum-seeking migrant children from Central America use trash bags to shield from the rain as they await to be transported by the U.S. board patrol after crossing the Rio Grande river into the United States from Mexico in La Joya, Texas, U.S., May 24, 2021. REUTERS/Adrees Latif

Alison, 15, an unaccompanied asylum-seeking migrant girl from El Salvador, carries her sister Alejandra, 6, as their brother Henry, 12, follows after they crossed the Rio Grande river into the United States from Mexico in Roma, Texas, U.S., May 20, 2021. The three siblings were traveling alone and hoped to be reunited with their mother who lives in Virginia, Alison said. Picture taken May 20, 2021. REUTERS/Adrees Latif

Asylum seeking unaccompanied migrant children from Central America line up to board a U.S. border patrol bus after crossing the Rio Grande river into the United States from Mexico, in Roma, Texas, U.S., May 20, 2021. REUTERS/Adrees Latif

Asylum seeking unaccompanied migrant children from Central America board a U.S. border patrol bus after crossing the Rio Grande river into the United States from Mexico, in Roma, Texas, U.S., May 20, 2021. REUTERS/Adrees Latif

Asylum-seeking unaccompanied migrant children from Central America walk in heavy rainfall after crossing the Rio Grande river into the United States from Mexico in La Joya, Texas, U.S., May 19, 2021. REUTERS/Adrees Latif

Unaccompanied child migrants, seeking-asylum from Central America, remove their shoe laces and jewelry before being 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., May 18, 2021. REUTERS/Adrees Latif

U.S. border patrol agents follow asylum seeking migrants from Central America after they crossed the Rio Grande river into the United States from Mexico in La Joya, Texas, U.S., May 14, 2021. Over 170 asylum seeking migrants, including about 50 unaccompanied minors, surrendered to border patrol agents in La Joya and nearby areas on Friday. Picture taken with a drone. REUTERS/Adrees Latif

Dozens of asylum seeking unaccompanied minors from Central America rest after surrendering to U.S. border patrol agents after crossing the Rio Grande river into the United States from Mexico in La Joya, Texas, U.S., May 14, 2021. Over 170 asylum seeking migrants, including about 50 unaccompanied minors, surrendered to border patrol agents in La Joya and nearby areas on Friday. REUTERS/Adrees Latif

Asylum seeking unaccompanied minors from Central America are seen on the left in this aerial image after crossing the Rio Grande river into the United States from Mexico in La Joya, Texas, U.S., May 14, 2021. Over 170 asylum seeking migrants, including about 50 unaccompanied minors, surrendered to border patrol agents in La Joya and nearby areas on Friday. Picture taken with a drone. REUTERS/Adrees Latif

Dozens of asylum seeking unaccompanied minors from Central America rest after surrendering to U.S. border patrol agents after crossing the Rio Grande river into the United States from Mexico in La Joya, Texas, U.S., May 14, 2021. Over 170 asylum seeking migrants, including about 50 unaccompanied minors, surrendered to border patrol agents in La Joya and nearby areas on Friday. REUTERS/Adrees Latif

Yasir, a 13-year-old unaccompanied minor from Honduras, rests with other asylum-seeking children after they surrendered to U.S. border patrol agents after crossing the Rio Grande river into the United States from Mexico in La Joya, Texas, U.S., May 14, 2021. Over 170 asylum-seeking migrants, including about 50 unaccompanied minors, surrendered to border patrol agents in La Joya and nearby areas on Friday. REUTERS/Adrees Latif

Anderson, a six-year-old unaccompanied minor from El Salvador, stands in line with other asylum-seeking children as they identify themselves to a U.S. border patrol agent after crossing the Rio Grande river into the United States from Mexico in La Joya, Texas, U.S., May 14, 2021. Over 170 asylum-seeking migrants, including about 50 unaccompanied minors, surrendered to border patrol agents in La Joya and nearby areas on Friday. REUTERS/Adrees Latif TPX IMAGES OF THE DAY

U.S. Senate Homeland Security and Governmental Affairs Committee Chair Senator Gary Peters, D-MI, greets Homeland Security Security Alejandro Mayorkas following the Senate Homeland Security and Governmental Affairs Committee hearing on unaccompanied minors arriving at the U.S.-Mexico border, in the Dirksen Senate Office Building on Capitol Hill in Washington, DC, U.S. May 13, 2021. Mandel Ngan/Pool via REUTERS

U.S. Homeland Security Security Alejandro Mayorkas testifies before the Senate Homeland Security and Governmental Affairs Committee on unaccompanied minors arriving at the U.S.-Mexico border, in the Dirksen Senate Office Building on Capitol Hill in Washington, DC, U.S. May 13, 2021. Mandel Ngan/Pool via REUTERS

U.S. Senator Josh Hawley, R-MO, speaks during the Senate Homeland Security and Governmental Affairs Committee hearing on unaccompanied minors arriving at the U.S.-Mexico border, in the Dirksen Senate Office Building on Capitol Hill in Washington, DC, U.S. May 13, 2021. Mandel Ngan/Pool via REUTERS

U.S. Homeland Security Secretary Alejandro Mayorkas testifies during the Senate Homeland Security and Governmental Affairs Committee hearing on unaccompanied minors arriving at the U.S.-Mexico border, in the Dirksen Senate Office Building on Capitol Hill in Washington, DC, U.S. May 13, 2021. Graeme Jennings/Pool via REUTERS

U.S. Senator Josh Hawley, R-MO, speaks during the Senate Homeland Security and Governmental Affairs Committee hearing on unaccompanied minors arriving at the U.S.-Mexico border, in the Dirksen Senate Office Building on Capitol Hill in Washington, DC, U.S. May 13, 2021. Graeme Jennings/Pool via REUTERS

U.S. Senator Mitt Romney, R-UT, speaks during the Senate Homeland Security and Governmental Affairs Committee hearing on unaccompanied minors arriving at the U.S.-Mexico border, in the Dirksen Senate Office Building on Capitol Hill in Washington, DC, U.S. May 13, 2021. Graeme Jennings/Pool via REUTERS

U.S. Senator Mitt Romney, R-UT, points to a chart during the Senate Homeland Security and Governmental Affairs Committee hearing on unaccompanied minors arriving at the U.S.-Mexico border, in the Dirksen Senate Office Building on Capitol Hill in Washington, DC, U.S. May 13, 2021. Graeme Jennings/Pool via REUTERS

U.S. Senator Mitt Romney, R-UT, points to a chart during the Senate Homeland Security and Governmental Affairs Committee hearing on unaccompanied minors arriving at the U.S.-Mexico border, in the Dirksen Senate Office Building on Capitol Hill in Washington, DC, U.S. May 13, 2021. Graeme Jennings/Pool via REUTERS

U.S. Senator Ron Johnson, R-WI, is seen during the Senate Homeland Security and Governmental Affairs Committee hearing on unaccompanied minors arriving at the U.S.-Mexico border, in the Dirksen Senate Office Building on Capitol Hill in Washington, DC, U.S. May 13, 2021. Mandel Ngan/Pool via REUTERS

U.S. Homeland Security Security Alejandro Mayorkas testifies before the Senate Homeland Security and Governmental Affairs Committee on unaccompanied minors arriving at the U.S.-Mexico border, in the Dirksen Senate Office Building on Capitol Hill in Washington, DC, U.S. May 13, 2021. Mandel Ngan/Pool via REUTERS

U.S. Senator Mitt Romney, R-UT, approaches Senator Ron Johnson, R-WI, to speak during the Senate Homeland Security and Governmental Affairs Committee hearing on unaccompanied minors arriving at the U.S.-Mexico border, in the Dirksen Senate Office Building on Capitol Hill in Washington, DC, U.S. May 13, 2021. Mandel Ngan/Pool via REUTERS

U.S. Senator James Lankford, R-OK, points to a photograph of a border fence section during the Senate Homeland Security and Governmental Affairs Committee hearing on unaccompanied minors arriving at the U.S.-Mexico border, in the Dirksen Senate Office Building on Capitol Hill in Washington, DC, U.S. May 13, 2021. Mandel Ngan/Pool via REUTERS

U.S. Senator Rick Scott, R-FL, looks on during the Senate Homeland Security and Governmental Affairs Committee hearing on unaccompanied minors arriving at the U.S.-Mexico border, in the Dirksen Senate Office Building on Capitol Hill in Washington, DC, U.S. May 13, 2021. Graeme Jennings/Pool via REUTERS

U.S. Senator Ron Johnson, R-WI, points to a chart during the Senate Homeland Security and Governmental Affairs Committee hearing on unaccompanied minors arriving at the U.S.-Mexico border, in the Dirksen Senate Office Building on Capitol Hill in Washington, DC, U.S. May 13, 2021. Graeme Jennings/Pool via REUTERS

U.S. Senate Homeland Security and Governmental Affairs Committee Chair Senator Gary Peters, D-MI, speaks during the Senate Homeland Security and Governmental Affairs Committee hearing on unaccompanied minors arriving at the U.S.-Mexico border, in the Dirksen Senate Office Building on Capitol Hill in Washington, DC, U.S. May 13, 2021. Graeme Jennings/Pool via REUTERS

U.S. Homeland Security Security Alejandro Mayorkas takes his seat before testifying to the Senate Homeland Security and Governmental Affairs Committee on unaccompanied minors arriving at the U.S.-Mexico border, in the Dirksen Senate Office Building on Capitol Hill in Washington, DC, U.S. May 13, 2021. Mandel Ngan/Pool via REUTERS

U.S. Senate Homeland Security and Governmental Affairs Committee Chair Senator Gary Peters, D-MI, chats with Homeland Security Security Alejandro Mayorkas before the Senate Homeland Security and Governmental Affairs Committee hearing on unaccompanied minors arriving at the U.S.-Mexico border, in the Dirksen Senate Office Building on Capitol Hill in Washington, DC, U.S. May 13, 2021. Mandel Ngan/Pool via REUTERS

U.S. Senate Homeland Security and Governmental Affairs Committee Chair Senator Gary Peters, D-MI, attends the Senate Homeland Security and Governmental Affairs Committee hearing on unaccompanied minors arriving at the U.S.-Mexico border, in the Dirksen Senate Office Building on Capitol Hill in Washington, DC, U.S. May 13, 2021. Graeme Jennings/Pool via REUTERS

U.S. Senate Homeland Security and Governmental Affairs Committee Chair Senator Gary Peters, D-MI, speaks during the Senate Homeland Security and Governmental Affairs Committee hearing on unaccompanied minors arriving at the U.S.-Mexico border, in the Dirksen Senate Office Building on Capitol Hill in Washington, DC, U.S. May 13, 2021. Mandel Ngan/Pool via REUTERS

Senate Homeland Security and Governmental Affairs Committee Ranking Member Senator Rob Portman, R-OH, speaks during the Senate Homeland Security and Governmental Affairs Committee hearing on unaccompanied minors arriving at the U.S.-Mexico border, in the Dirksen Senate Office Building on Capitol Hill in Washington, DC, U.S. May 13, 2021. Mandel Ngan/Pool via REUTERS

U.S. Homeland Security Secretary Alejandro Mayorkas listens to a question as he testifies before the Senate Homeland Security and Governmental Affairs Committee on unaccompanied minors arriving at the U.S.-Mexico border, in the Dirksen Senate Office Building on Capitol Hill in Washington, DC, U.S. May 13, 2021. Mandel Ngan/Pool via REUTERS

U.S. Homeland Security Secretary Alejandro Mayorkas testifies before the Senate Homeland Security and Governmental Affairs Committee on unaccompanied minors arriving at the U.S.-Mexico border, in the Dirksen Senate Office Building on Capitol Hill in Washington, DC, U.S. May 13, 2021. Mandel Ngan/Pool via REUTERS

U.S. Homeland Security Secretary Alejandro Mayorkas is sworn-in before testifying to the Senate Homeland Security and Governmental Affairs Committee on unaccompanied minors arriving at the U.S.-Mexico border, in the Dirksen Senate Office Building on Capitol Hill in Washington, DC, U.S. May 13, 2021. Mandel Ngan/Pool via REUTERS

U.S. Homeland Security Secretary Alejandro Mayorkas testifies before the Senate Homeland Security and Governmental Affairs Committee on unaccompanied minors arriving at the U.S.-Mexico border, in the Dirksen Senate Office Building on Capitol Hill in Washington, DC, U.S. May 13, 2021. Mandel Ngan/Pool via REUTERS

U.S. Homeland Security Secretary Alejandro Mayorkas is sworn-in before testifying to the Senate Homeland Security and Governmental Affairs Committee on unaccompanied minors arriving at the U.S.-Mexico border, in the Dirksen Senate Office Building on Capitol Hill in Washington, DC, U.S. May 13, 2021. Mandel Ngan/Pool via REUTERS

U.S. Homeland Security Secretary Alejandro Mayorkas testifies during a Senate Homeland Security and Governmental Affairs Committee on unaccompanied minors arriving at the U.S.-Mexico border, in the Dirksen Senate Office Building on Capitol Hill in Washington, DC, U.S. May 13, 2021. Graeme Jennings/Pool via REUTERS

U.S. Homeland Security Secretary Alejandro Mayorkas prepares to testify before a Senate Homeland Security and Governmental Affairs Committee on unaccompanied minors arriving at the U.S.-Mexico border, in the Dirksen Senate Office Building on Capitol Hill in Washington, DC, U.S. May 13, 2021. Graeme Jennings/Pool via REUTERS

U.S. Homeland Security Secretary Alejandro Mayorkas is sworn-in before testifying to the Senate Homeland Security and Governmental Affairs Committee on unaccompanied minors arriving at the U.S.-Mexico border, in the Dirksen Senate Office Building on Capitol Hill in Washington, DC, U.S. May 13, 2021. Graeme Jennings/Pool via REUTERS

U.S. Homeland Security Secretary Alejandro Mayorkas testifies before the Senate Homeland Security and Governmental Affairs Committee on unaccompanied minors arriving at the U.S.-Mexico border, in the Dirksen Senate Office Building on Capitol Hill in Washington, DC, U.S. May 13, 2021. Graeme Jennings/Pool via REUTERS

U.S. Homeland Security Secretary Alejandro Mayorkas testifies during a Senate Homeland Security and Governmental Affairs Committee on unaccompanied minors arriving at the U.S.-Mexico border, in the Dirksen Senate Office Building on Capitol Hill in Washington, DC, U.S. May 13, 2021. Graeme Jennings/Pool via REUTERS

Asylum seeking migrants from Central America are separated into groups, including unaccompanied minors, after dozens crossed the Rio Grande river into the United States from Mexico, in La Joya, Texas, U.S., May 7, 2021. Picture taken with a drone. REUTERS/Adrees Latif

Sherry, 17, holds her one-year-old son Ian as she leads a line of unaccompanied minors who were being prepared for transport with other asylum-seeking migrants from Central America after they crossed the Rio Grande river into the United States from Mexico, in La Joya, Texas, U.S., May 7, 2021. REUTERS/Adrees Latif

A U.S. border patrol agent processes a row of unaccompanied minors, who were separated from other asylum-seeking migrants from Central America, after they crossed the Rio Grande river into the United States from Mexico, in La Joya, Texas, U.S., May 7, 2021. Picture taken with a drone. REUTERS/Adrees Latif

A U.S. border patrol agent processes a row of unaccompanied minors, who were separated from other asylum-seeking migrants from Central America, after they crossed the Rio Grande river into the United States from Mexico, in La Joya, Texas, U.S., May 7, 2021. Picture taken with a drone. REUTERS/Adrees Latif

Chanel, a seven-year-old unaccompanied minor from Honduras, boards a bus with other asylum-seeking children before being transported to a U.S. border patrol processing facility after crossing the Rio Grande river into the United States from Mexico in La Joya, Texas, U.S., May 6, 2021. REUTERS/Adrees Latif

Chanel, 7, and her sister Adriana, 10, both unaccompanied minors traveling alone from Honduras, sits among other asylum-seeking children as they await to be transported to a U.S. border patrol processing facility after crossing the Rio Grande river into the United States from Mexico in La Joya, Texas, U.S., May 6, 2021. REUTERS/Adrees Latif

Chanel, 7, and her sister Adriana, 10, both unaccompanied minors traveling alone from Honduras, wait amid other asylum-seeking children to be transported to a U.S. border patrol processing facility after crossing the Rio Grande river into the United States from Mexico in La Joya, Texas, U.S., May 6, 2021. REUTERS/Adrees Latif

Marjorie, 17, a seven-month-pregnant asylum-seeking unaccompanied minor migrant, holds her belly while sitting next to Donna, 7, both from Honduras, as they await to be transported to a U.S. border patrol processing facility after crossing the Rio Grande river into the United States from Mexico in La Joya, Texas, U.S., May 6, 2021. REUTERS/Adrees Latif

Chanel, a seven-year-old unaccompanied minor from Honduras, sits amid other asylum-seeking children as they await to be transported to a U.S. border patrol processing facility after crossing the Rio Grande river into the United States from Mexico in La Joya, Texas, U.S., May 6, 2021. REUTERS/Adrees Latif