A careful examination of the ground here
reveals boot prints in the ground, heading
for the building steps at area 5.

It is 50% likely that a pair of brigands
(from area 7) are here, see the party, and
retreat to their lair, giving WARNING to the
group. If so, the party will be aware of none
of this, unless using wizard eye or some
other sort of invisible advance scouting.

>> 4.