"We don't exclude the possibility that the rebels knew about the movement of this convoy."
Well, yes, actually, although we've taken pains not to let the rebels know that we still had the means to do so.
The rebels knew where he and his force were - at least in general terms.
The rebels had not known about the closeness of the troops.
Get yourselves a few minutes off, just in case the rebels don't know enough to stay away yet.
But the rebels knew of Crusher's appearance on their world.
Any rebels receiving it would know that their presence was required by a senior officer tonight at Unit 211.
It is not always clear that the rebels themselves know the answers to these questions.
The rebels didn't know what to make of it.
The rebels knew that, in addition to force, the system was built first and foremost upon lies.