not clear whether there was actual medication in the apartment. we do know according to a source that the boyfriend had called police saying she was delusional, that she thought president obama was surveilling her electronically and whether this is why she decided to go down to washington to the white house, all of that under investigation right now. but again, there were certain things that were going on. the boyfriend said she had been on some medications but she had stopped taking those medications. think about it. she actually packed a bag, strapped her daughter in that car, then drove hundreds of miles down to the white house, possibly to get an audience with the president. >> strange. deb, we heard about an envelope outside miriam carey's apartment addressed to her boyfriend. what can you tell us about that? >> reporter: well, this was an envelope, what's interesting is that apparently according to a source, there was no actual letter in the envelope. there was some sort of substance inside, a sugary substance, and it was near the door, actually. so haz/mat teams were able to take the letter, bring it to the