Chicago police are searching for a person of interest in the fatal shooting of officer Luis Huesca in the city's Gage Park neighborhood early Sunday morning. Former Chicago Police Superintendent Eddie Johnson says from the evidence he's heard and seen, the killing seems to have happened during a carjacking attempt. Johnson discusses how the family's support from the police department may change if it's determined Huesca didn't die in the line of duty. #Chicago #fallenofficer #manhunt Get a fast-paced look at the latest from the border to Main Street to the White House on "NewsNation Live with Marni Hughes." Weekdays starting at 10a/9C.#NewsNationLive NewsNation is your source for fact-based, unbiased news for all America. More from NewsNation: newsnationnow.com Get our app: trib.al/TBXgYpp Find us on cable: trib.al/YDOpGyG How to watch on TV or streaming: trib.al/Vu0Ikij