yes i kind of agree Claire is being manipulated by Samuel he allowed that man to hit him so Claire could see he was defensive-less and she has no idea what Samuel power is , from what i can see from Clare's perspective is that she think he has no powers.
Peter think Nathan was inside him so he couldn't kill his brother but as you pointed he's gone so i don't think he will have a problem now..
Mr Bennett shouldn't told women about her wiping her memory.
now he can persue her and she seems like a good women.