Migrant youth shelters have reported over 100 sexual offenses of its kids

The Department of Health and Human Services told Pro Publica in a statement that it "treats its responsibility for each child with the utmost care," and there is a "zero-tolerance policy for all forms of sexual abuse or inappropriate behavior."

• It's unclear if the child victims in the reports were separated from their parents after crossing the border.

Immigrant children are particularly vulnerable to abuse because they may be unfamiliar with U.S. law, have experienced trauma in their home countries or don't speak English, Pro Publica reports.

Read the full report.