kind of delivery service facility. so you know have three methods. the hand drop off on the door steps, the fed ex facility, the bomb and the trip wire bomb. that s why everybody is so on edge. authorities admit that they don t know how and where this bomber will next strike. jon? jonathan, it s julie. it s interesting. the trip wire bomb, that was the fourth bomb in austin. officials have said it was significantly more advanced in technology. filled with shrapnel and so forth. this one though, if it were indeed a trip wire, i m wondering how it was detonated. a trip wire would have to be detonated by a victim. any idea what detonated this thing? it was meant to go too austin. so obviously it detonated prematurely. yeah, this appears to have been another package bomb. it would logic would lead you