pakistan. it is a company called pack arab. the other one is the fa fatima fertilizer company. 80% comes from fertilizer when mixed with fuel oil becomes exemploys itch. the pack arab company in pakistan made enough fertilizer last year for 140,000 bombs. gregg: what is the u.s. government doing to stop it? are the pakistanis cooperating in any way, jennifer. reporter: the u.s. has been reaching out and trying to negotiate with the pakistani to control this calcium nitrate for the past year and a half. a delegation with bob casey went to discuss this with the pakistani, the state department has reached out. they are trying to stop the flow of basically the fertilizer is