For the time being, the nobles were not foolish. They had a rough idea who the criminal was. They thought it was the black Apostle Lord that was employed by the Tomboy Princess. He had displayed his combat ability in the arena, so they thought that he had the potential to penetrate the guard network around the Minister's residence.
However, they had no evidence. It was not possible for them to conclude that he is a limitless criminal.
For that reason, they thought they had to take into consideration the fact that it might be a different criminal.
This confused and disturbed them, since the nobles did not have the means to deduce the correct answer.
A report was delivered at this point saying that the Tomboy Princess had rose up in order to command an army.
Although she was able to escape from the Strong Grandson, they didn't think that kind of information would show up within one day.
Since they were certain the Tomboy Princess was within the Amber Palace until just before the coup d'état, she must have gotten hold of the information beforehand.
It should have been a three day ride on a horse in order to arrive at the home of the Duke that was on friendly terms with the Tomboy Princess. It was simply unimaginable to do it in one day.
That's why the subordinate who gave him the report was cross-examined many times by the Strong Grandson, who asked him, "That's impossible, are you sure the information isn't mistaken?" However, it didn't take long before he was convinced that if it was the princess, it was possible for her to have done so.