If they are in a detention center because their immigration status is UNKNOWN so why do you assume they are fleeing violence? They need to show proof.
"Of the 230 first Central American migrants interviewed, 219 cited the primary reason for migrating to the United States was the perception of U.S. immigration laws granting free passes or permisos to UAC (unaccompanied children) and adult females traveling with minors,” the report said. This July 7 report was issued by the El Paso Intelligence Center (EPIC)"
This was before the ACLU got a hold of them.
The majority of asylum requests are now granted, the committee said, despite an internal Department of Homeland Security report that shows at least 70% of asylum cases contain fraud.