NEW : An attorney says he found ` ` nothing nefarious '' about the fundraising brothers . Mexico : The fundraisers ' leader is a Mexican casino magnate . A Justice Department cable reports connections with organized crime . Pepe Rojas is arrested on a warrant in Iowa after his probation was revoked .
NEW : An attorney says he saw `` nothing nefarious '' about the fundraising brothers . Report : The fundraisers ' brother is a Mexican casino magnate . A State Department cable alleges connections with organized crime . Pepe Rojas is wanted on a warrant in Iowa after his probation was revoked .