employee's hands. it actually went off after that employee tossed that envelope into a bin, and according to jeanne meserve, there are similar circumstances. does that mean that the envelope looked alike or it had a similar sort of fiery flare and sulfuric smell? don't know. jeanne is working on that. i want to bring back in, mike brooks, your backyard, washington, d.c. talking about what investigators will glean from the evidence from one of these envelopes. >> what they'll do is, take this -- take the evidence from yesterday and from today. send it down to the fbi lab in quantico, the explosives lab. explosives examiners will take a look at this. as we talked about, they'll be looking for hairs and fibers, and one of the last places they send this is for fingerprint evidence. they sent it late because that usually make as mess of the evidence because of the different dyes and things they use to try to lift any prints off of that. one of the other things, too. keep in mind, most government agencies, brooke, they have