Wisconsin Attorney General Josh Kaul waded into the state's Supreme Court race Monday, renewing an old feud with conservative candidate Brad Schimel over delays in testing sexual assault evidence kits almost a decade ago.

Eric Holder will be campaigning in support of Wisconsin Supreme Court candidate Susan Crawford, according to the National Democratic Redistricting Committee.

Here's what to know about Brad Schimel's legal background, positions on key issues and education ahead of the Wisconsin Supreme Court race.