CNN The Situation Room January 7, 2014 22:23:00
Picture of interconnected group pushing a conservative agenta. >> it's an enormous maze of nonprofit organizations using subsidiaries to grant money to each other and shuffle money around. it's very hard to track. >> reporter: it's all legal. four years ago the supreme court in the citizens united case ruled such spending by corporations, individuals and groups is free speech and can't be restricted, but this byzantine world almost makes it impossible to find who 'peacing for what political fights. >> we know that they supported sort of the creation of this network, but it's not known how much...