early morning, that's -- >> when they say no-knock, asha, no-knock, pre-dawn. >> right. no-knock is that the fbi does not have to identify themselves before they enter the home. that's different than a knock and announce warrant where they have to knock, fbi, and then they have to wait for some reasonable period of time for the person to answer the door before they go in. again, here, they need to -- the idea is that they need to go in immediately because there may be a chance that evidence might be concealed or destroyed if the target has some advance warning that the -- that the fbi is coming in. and typically, these are done early in the morning because the target is likely to be home then, and also for agent safety, and it's less likely that, at that hour of the morning, there will be any kind of confrontation that could result