sentences:  On Monday, April 3, the postman, Josef Mayer, was delivering the mail at Hinterkaifeck when he noticed that Saturday's mail was still where he had left it, and that no one had been in the yard.Assembler Albert Hofner went to Hinterkaifeck on April 4 to repair the engine of the food chopper.He stated that he had not seen any of the family and had heard nothing but the sounds of the farm animals and the dog inside the barn.