When she announced her candidacy for mayor, Preckwinkle also misled the public about when she knew of sexual misconduct allegations against her former chief of staff, who she fired the day before. On the day she announced her run, Preckwinkle said she did not know about sexual harassment allegations against her top staffer before mid-September. The Tribune, however, later reported Preckwinkle knew of the concerns six months before she took action.