With shoes laced and a flag in hand, 10-year-old Liam took the first step Sunday morning — running a mile in memory of Milwaukee Police Officer Kendall Corder, who was fatally shot in the line of duty in June.
Corder, 32, died June 29 after being ambushed while responding to a shots fired call near 25th and Garfield.
“It’s unfair how these first responders are trying to help us and get killed,” Liam, from Chicago, said…