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Wisconsin Gov. Scott Walker speaks at a campaign appearance Thursday, June 12, 2014, in Oak Creek, Wis. Walker, who is running for re-election this year and eyeing a bid for president in 2016, said afterward that his personal opposition to same-sex marriage doesn't matter because the ban on gay marriage was put into the state constitution by a vote of the people. A federal judge last week struck down the state's ban on same-sex marriages. (AP Photo/Carrie Antlfinger)

Wisconsin Gov. Scott Walker

Yahoo News

Prosecutors believe Wisconsin Gov. Scott Walker, a potential 2016 Republican candidate for president, was at the center of a nationwide "criminal scheme" to illegally coordinate fundraising with outside conservative groups, according to previously secret court documents released Thursday.

The documents were filed as part of an ongoing lawsuit challenging the probe by the conservative group Wisconsin Club for Growth. They were ordered publicly released Thursday by a federal appeals court judge after prosecutors and the Wisconsin Club for Growth did not object. (AP)

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