a voice mail shedding no new light on cook's contact with the white house. >> i think that's pretty clear what her involvement was or wasn't. obviously we informed them of what was going on because that's what we do on a daily basis. then in terms of their request or anything else, they -- this was our decision here at usda. >> then suddenly a possible break-through. >> my producer has just gotten what we believe to be the direct line at the agriculture department for cheryl cook as well as her cell numbers. >> your call has been forwarded to an automatic voice message system. the mailbox belonging to cheryl cook is full. to disconnect press "1." to enter another number, press "2." >> she's getting a lot of calls and not returning calls. >> reporter: we headed to agriculture headquarters to see if we could find cheryl cook there. we tried to talk to