A group that advocates for conservative causes and its director filed a federal lawsuit Monday asking to end a secret investigation related to campaign fundraising and spending in recent recall elections, including the 2012 effort to oust Gov. Scott Walker.

A Wisconsin judge quashed subpoenas and ordered the return of property to the targets of a secret campaign-finance investigation that reportedly involves Gov. Scott Walker's campaign and conservative groups.

A lot of folks — perhaps too many — are spouting off about the John Doe probe launched by the Milwaukee County District Attorney’s office into the campaign of Republican Wisconsin Gov. Scott Walker and more than two dozen conservative groups, among others.

Two attorneys have filed motions seeking to stay a secret investigation that's going on in five counties.