In August 2024, the Biden administration released a report by the inspector general of the Dept. of Homeland Security entitled...

..."Management Alert - ICE Cannot Monitor All Unaccompanied Migrant Children Released from DHS and U.S. Department of Health and Human Services' Custody." - Donald Sensing

Among other things, the IG's report informs us that:

• The Biden-Harris administration lost track of more than 320,000 migrant children who crossed the border without parents...
• Untold numbers of the children — who were released into the US to “qualified sponsors” — are now at risk of sex trafficking, forced labor and other forms of exploitation....

In July 2024, Deborah White, a federal employee of the Department of Health and Human Services Office of Refugee Resettlement went on record to report, 

“What I discovered was horrifying: children were being trafficked with billions of taxpayer dollars by a contractor failing to vet sponsors and process children safely, with government officials complicit in it.
“Children were sent to addresses that were abandoned houses or nonexistent in some cases,” White said. “In Michigan, a child was sent to an open field, even after we reported making an 911 call after hearing someone screaming for help, yet the child was still sent.”...

Links in my first comment.

Donald Sensing

All the links to above sources are in this comment.

1. Biden admin report by the inspector general of the Dept. of Homeland Security: https://www.oig.dhs.gov/.../2024-08/OIG-24-46-Aug24.pdf

2. Washington Examiner: https://archive.ph/gTB6V#selection-1389.0-1405.67

3. Federal employee Deborah White: https://nypost.com/.../biden-admin-whistleblowers-claim.../