Responses
I feel like it's the grandparents. The granpa killed her, and the grandma killed the twin. And the reason would be because of guilt (grandpa guilt to the grandma) because of the marriage thing.
beta
I feel like it's the grandparents. The granpa killed her, and the grandma killed the twin. And the reason would be because of guilt (grandpa guilt to the grandma) because of the marriage thing.
Could it be that ...
... the grooms grandfather is the murderer of both sisters?