The Murder of Adolf and His Wife

Officers find sales receipts documenting adolf's purchase of both arsenic and potash just before the murder. Police grow increasingly suspicious that adolf not only knows more than he's saying, but that he's directly involved in his wife's disappearance. And then underneath the vat, they find partially dissolved human teeth. More human bone fragments are found in the factory yard. When the remaining sludge at the bottom of the vat is drained, police find two rings, one of which is louise's wedding ring - with the engraved initials of l l.