Unfortunately, Mogget has also arrived on the scene and he sees Ghoul crouch down to disrupt the circle. Deliberate sabotage. There's no doubt about it. The cat stalks over to fix the werewolf with a look that is the feline equivalent of 'Gotcha'.

"I saw that. Breaking the circle when you thought no one was looking... Who are you working for?"

Clearly, it's not Samantha. Perhaps Katherine decided to hedge her bets and choose the fae after all. That would explain a lot.