Mayor Lori Lightfoot delivered welcoming remarks as the conference got underway this weekend. A notable person missing from the event is Chicago's Police Superintendent Eddie Johnson.
Johnson said he will boycott President Donald Trump's Monday speech to the IACP's 2019 conference
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He said it's a personal decision.
"I have to take into account, not just my personal feelings about it, but our core values as a city," Johnson said. "We are nothing without trust and with some of our communities under siege, it just doesn't line up with our city's core values along with my personal values."