Who is the Judge who ended Walker probe?

Move Over, Koch Brothers: A Bigger, Darker Rightwing Funder Is Out to Destroy Public Education | Common Dreams

Move Over, Koch Brothers: A Bigger, Darker Rightwing Funder Is Out to Destroy Public Education | Common Dreams
"The Bradley Foundation, headed by Governor Scott Walker's campaign co-chair Michael Grebe, has underwritten a massive, pro-privatization propaganda campaign, including "a systematic and relentless campaign to turn public opinion against the public school system"."