This was just an exhibition hall, and the advantage of an exhibition hall over a hotel lay in the fact that there were very few rooms, aside from the main and auxiliary venues, only a few restrooms, and some staff offices. Finding someone wouldn't be hard; all one needed to do was to search the rooms.
He went to search the rooms, while He Weiyou focused on the people inside the venue. After all, not many were watching him, so he could arrange some employees without drawing the attention of the reporters.
With such a large venue and strict security, and the presence of so many distinguished gentlemen, it definitely couldn't have been someone from outside; it had to be an insider. And if it was an insider, any move they made was bound to cause a stir.
On Lu Weixi's side, she searched around the inside field and the banquet hall for the person.
She wasn't searching aimlessly; on one hand, she contacted Aunty Hao, asking her to help investigate the servant's matter.