The former chief of the independent agency that investigates Chicago police officers for misconduct and excessive force today announced her bid for Illinois attorney general.Former Independent Police Review Authority administrator Sharon R. Fairley said she would continue the work the current attorney general — and her one-time boss — Lisa M. Madigan has started.Madigan announced last month she would not run for another term in the 2018 election cycle.Fairley indicated her support for the consent decree Madigan …