Hermegildo Escamilla-Granados, 30, was taken into custody after offering to pay for sex with an undercover officer, who was posing online as a 16-year-old.
Upon investigation, St. Mary's Police learned he was in the U.S. illegally.
Immigration and customs enforcement have been notified, and Escamilla-Granados will remain in custody pending review of his immigration status and alleged offense.
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