Circumstantial cases often rely on the totality of evidence - how each piece fits together to create a bigger picture, almost like putting a puzzle together. Sometimes, the puzzle is left with some empty spots. Sometimes, the puzzle comes together completely. But it’s always reliant on how each individual piece fits in with the whole, rather than relying on one ‘smoking gun’. In the case of the disappearance of Ben Smart and Olivia Hope, the puzzle was forced to form a picture that doesn’t seem to match the pieces given.