Many questions remain about what happened at Hamline Elementary when Chicago Public Schools mistook Secret Service agents for immigration enforcement.

CHICAGO (CBS) --Surveillance video released on Friday shows the moment two Secret Service agents showed up at Hamline Elementary School in the Back of the Yards neighborhood one week ago.

ICE said its agents never arrived at Hamline Elementary School, located in Chicago’s Back of the Yards neighborhood, and the US Secret Service released a statement saying it was their agents who ...

The Secret Service agents can be seen in the video last Friday outside Hamline Elementary School on the city's South Side. Chicago Public Schools protocols were put in place when the principal ...

Secret service agents were mistakenly identified as ICE officers when attempting to enter an elementary school, creating a ...

Hamline Elementary School in Chicago’s Back of the Yards neighborhood on Friday. Tyler Pasciak LaRiviere/Sun-Times Share Chicago Public Schools officials admitted a “misunderstanding” on ...

The statement from Chicago Public Schools said two people showed up at the door of Hamline Elementary School and presented identification including the name Department of Homeland Security ...

Around 11:15 a.m., the agents attempted to enter Hamline Elementary School, Chicago Public Schools’ Chief Education Officer Bogdana Chkoumbova said. School officials initially said the agents ...

Chicago Public Schools officials claimed ... They claimed immigration agents attempted to enter Hamline Elementary School but were denied entry. “School staff followed CPS established protocols ...

Standing on a street corner outside Hamline Elementary Monday afternoon ... saying “the first reports of raids in Chicago are at an elementary school.” “Targeting children and separating ...