"There are a lot of questions actually." Noel crossed his arms. "Since we're going to identify the traitor amidst our ranks, we need to figure out which one is actually the traitor."
[…]
Ardagan fell silent. He had told him that Spencer was the most suspicious, yet Noel hadn't mentioned him the whole time.
Noel raised his finger. "First of all, there's a chance that Spencer wasn't the traitor."
[Do you have any explanation?]
"In the letter my ancestor left behind, he only told us that there was a traitor in their rank. However, he didn't mention a single name.
"Although I don't wish to insult my ancestor, his wife was smarter than him, right? So, with that information in mind, didn't my ancestor investigate him since he was the most obvious?"
[That's true. Your ancestor did investigate him. While he did find him suspicious, there was no key evidence that proved him to be the traitor.]