Fingerpointing (or 6 of 7)

Yesterday I played a nice board game which was called "Shadows over Camelot".
An idea of the game is the following - there are 7 (from 3 to 7) knights of the Round Table (Yes, it's about King Arthur's Round Table). One of those knights is an evil one, a traitor. To win a game good knights should perform a set of quests. The black knight's goal is opposite, not to let it happen. As soon as no one knows who a black knight is, finding him is one of possible way to move close to a victory. However, if a loyal knight is accused incorrectly the dark side of force gains a victory point (in the game it's sword).

In a round which I played it happened that knights accused 6 or 7 people who participated. The only person who wasn't accuser was a traitor. Consequently, the game was lost.

An idea behind that that after starting a finger-pointing it's difficult to stop and good people may blame each other with few or no reasons. In the end no one may win but everybody will lose.