Knifeman tells police 'I'm going to kill someone' in chilling 999 call Craig Hooper made the chilling threat during a 999 call for help, whilst standing outside Leicester's city centre police station Sign up When you subscribe we will use the information you provide to send you these newsletters. Sometimes they’ll include recommendations for other related newsletters or services we offer. OurPrivacy Noticeexplains more about how we use your data, and your rights. You can unsubscribe at any time. Thank you for subscribingWe have more newslettersShow meSee ourprivacy notice A knifeman rang the police saying he was armed and "I'm going to kill someone," a court heard.