January 21 – 2024 Joliet shootings: A man commits a spree shooting in three locations in Illinois killing eight people and injuring one other before commiting suicide a day later after he was confronted by police.[1]
March 27 – Four people are killed and seven others are injured during a stabbing spree in Rockford.[4]
July 4 – Fourth of July shootings: Thirty-three people are killed in mass shootings at Fourth of July celebrations, with 11 people killed and 55 others injured in Chicago.[5]