David and Charles Koch have used the enormous wealth they have gained from [[Koch Industries]] to finance right-wing causes for decades.
Through their [[Americans for Prosperity]] group, the Koch brothers plan to spend $125 million on the 2014 midterm elections, which according to ''Politico'' "would be unprecedented for a private political group in a midterm, and would likely rival even the spending of the Republican and Democratic parties’ congressional campaign arms."<ref name="spree">Kenneth Vogel, "[http://www.politico.com/story/2014/05/koch-brothers-americans-for-prosperity-2014-elections-106520.html Koch brothers’ Americans for Prosperity plans $125 million spending spree]," Politico, May 9, 2014.</ref>Another group, [[Freedom Partners]], which gave $236 million to conservative groups in 2012, plans to be more directly involved in campaigning this election cycle, having already spent $2 million on ads in April 2014.
Using a complex system of nonprofit groups and LLCs to mask their involvement, their network spent at least $400 million in support of Republican candidates during the 2012 election cycle.<ref>Matea Gold, "[http://www.washingtonpost.com/politics/koch-backed-political-network-built-to-shield-donors-raised-400-million-in-2012-elections/2014/01/05/9e7cfd9a-719b-11e3-9389-09ef9944065e_story.html Koch-backed political coalition, designed to shield donors, raised $400 million in 2012]," Washington Post, January 5, 2014.</ref>