An ICE agent was charged with driving under the influence after jumping the curb and crashing into a hedgerow in suburban Oak Brook, police said.
Police body camera video shows officers questioning 33-year-old Guillermo Diaz-Torres of Albuquerque, New Mexico on October 26 after his shift at the detention center in Broadview.
He seems to struggle with walking a straight line and reciting the alphabet.
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Diaz-Torres can be heard on video refusing to take a breath analysis.
He will be arraigned next month.
No further information was immediately available.