What an unprovable, steaming pile of crap.
Push them all back across the border they crossed and let the scummy Mexicans deal with them.
Yes, I know, this is a collusion between the kenyan and the corrupt Mexican government so nothing will happen.
The only way to handle unaccompanied minors who enter a country illegally is to return them to their homelands for reunification with their families. Keeping them violates international law.