"The way that we start many of our federal cases is because we hear tips from civilians or from others in the community," Blanche told CNN's "State of the Union" on Sunday.
All eight violent offenders who escaped Louisiana's Riverbend Detention Center have been captured after massive manhunt involving state police and federal agencies.
After announcement, Cook County State's Attorney Eileen O'Neill Burke said Mayor Brandon Johnson's comment she was in "complete support" of the measure was "not true."