. >> reporter: gerald glover lost his brother, corey ankum.er police officer leaves a wife and three children. >> their fathers, their brothers, are heroes. and their extended firefighter family will be with them as long as they need us. >> and salute! >> reporter: in a heartbreaking scene, the city showed its ultimate respect to corey ankum and ed stringer, a 12-year veteran. >> the public outpouring of support is truly appreciated. we are a tight-knit community and it means more than anything to us to receive such heartfelt messages of support and love. >> reporter: this is a painful loss just three days before christmas. >> we must remember that their sacrifice in this instance, the ultimate sacrifice of two lives, are selflessly given in the spirit of saving the lives of the citizens of the city of chicago. >> reporter: all of this comes on the 100th anniversary of the chicago union stockyard fire that killed 21 firefighters. one of the deadliest days for first responders before 9/11. a century later, a reminder as two grim processions wou