Four killed during stabbing spree in Illinois BBC.comRockford stabbing attack leaves 4 dead, 7 injured in Winnebago County; first call on Holmes Street: police WLS-TVA mail carrier was among 4 people killed in northern Illinois stabbings Channel3000.com – WISC-TV34 dead, multiple victims attacked by suspect in Rockford neighborhood: police MyStateline.comStabbing leaves 4 dead, 5 injured after violent attacks in Rockford, Illinois Rockford Register Star