back. >>> developing tonight, a legal shakeup in the racketeering conspiracy case of congressman shaka fattah's four attorneys are asking a federal judge to let them withdraw from the case saying the congressman habit paid their fees. >> when nbc 10 asked about the claims today he said his reelection, not the legal case, is his focus. nbc 10 investigators george spencer with the story. >> we have told them that we can't keep up with the pace of the payments and they know that to be an honest fact. >> reporter: congressman shaka fattah says the money simply isn't there to pay legal counsel defending him against federal charges alleging misuse of taxpayer and campaign money. in a motion to withdraw unsealed today, those attorneys sta s sa continuing their work without pay would present a "insurmountable kwfinancial burden." fattah says he's spend $300,000 litigating the case. >> i'm not donald trump, i'm not writing my own check. >> reporter: so the congressman says he'll focus efforts on raising money for his unanticipated primary election challenge, hosting an endorsement event with a number