Because he was very clear about this matter, it was no trivial matter. Moreover, deep down, didn't he also wish to know about it?
But the key issue was that if he wanted to know all about it, then the price to pay was just too great for them.
"But if you do this, it really puts all of us in danger, and the cost is extremely high. Even if we find out what they are doing inside, they came here to take away all the hidden things. What they left behind is worthless. Even if we go in, what can we find?"
"Even if we go in and they've taken everything away, I believe with our professional survey capabilities, we can still discover what he was hiding inside. Surely, he couldn't have cleaned it out completely, after all, they fled in haste."
"How can you be sure that they fled in haste?"