Hannah cameron was not well-liked but who stabbed her in the back? To almost everyone, the answer was clear: she was killed by a burglar. This case is given to inspector nivens so mrs. Jeffries and the rest of the househ...Hannah cameron was not well-liked but who stabbed her in the back? To almost everyone, the answer was clear: she was killed by a burglar. This case is given to inspector nivens so mrs. Jeffries and the rest of the household must tiptoe around this case to find the real killer!