CHICAGO (WLS) -- The community is remembering a 36-year-old mother and Chicago police officer who the Chicago Police Department said was shot and killed a fellow officer during a tactical operation this week.

CPD confirms another officer unintentionally fired the shot that killed Officer Krystal Rivera Thursday night in Chatham as officers tried to stop someone who was believed to be armed.

ABC7 spoke to a pastor on Saturday at the church Rivera attended.

Meanwhile, Chicago's top cop said the officer who shot and killed Officer Rivera is dealing with difficult emotions, and he's urging the public not to draw conclusions about how Rivera died.

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Pastor Daniel Cruz remembers the last time Chicago Police Officer Krystal Rivera atte

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