Samuel could guess it.
After all, they were all living in that world for a few years and had experienced many things. Even though they didn't manage to stay there too long because a catastrophe came to each of them, but they have long learned many things that was useful for their lives.
One of them was naturally this inquiry methods.
They could deduce other people's thoughts and used subtle methods to find out the truth without offending the other party.
As a businessman and also someone in high position in that world, Samuel was also aware of this method.
Moreover, he did it quite a lot himself.
So he would not give Peter any chance.
Don't look at this man kept on provoking others to fight. For him to survive for a few years before he was killed had already shown that he was not that stupid. Peter is naturally very smart, but he would not show it and instead acted dumb in front of others.