 Discussions of getting tracking devices from Raytheon were not followed up.ATF field agents and the cooperating gun dealer had been told by ATF supervisors that the guns were being interdicted before they could reach Mexico, but only 64 of the 474 guns had actually been seized.The kingpin sought by walking the guns, Israel Egurrola-Leon, turned out to be the target of a larger drug case Operation Iron River run by OCDETF.