to be vigilant and pay attention. we need the community's participation. if you see a suspicious package on your porch or somebody else's, let us know. >> the package, was it left by ups, the postal service? you said the second one was not. >> we do not believe this package today was left by any of the official mail delivery services, whether it's the united states postal service, ups, dhl. that will be part of the investigation. standing here today, we don't believe it was delivered by any official delivery service. >> [question inaudible] >> they can exploit -- explode by being moved. don't handle it, don't touch it. call us. >> did they say how long the package was at their door? they have any idea when it was