If it were the old Shire, other than military intelligence, he could be said to know nothing about the outside world.
Even if he knew something, it was outdated, useless, or could even be lies carefully woven by his opponents.
But now, Shire had the "Lady in White."
The "Lady in White" might not be very suitable for gathering commercial intelligence; Shire worried that the "Lady in White" would resist this task.
After all, they demanded to be treated as warriors, and warriors must not turn their guns on civilians.
However, Lucia gave a very reasonable explanation: "Your factory produces equipment needed on the front lines, Colonel, and this equipment is defeating the enemy. If anyone is against your factory, they are stopping us from achieving victory!"
"Makes sense!" Shire nodded and calmly handed the task of tracking Grevy to the "Lady in White."
Thus, Shire knew that Grevy had gone to Saint-Etienne to meet with Layom.
