Health and Welfare. You say he is fifty-four. Our killer asks to see the manager. You say he is forty-six years old. Miss Akuzawa asks our killer to come round to the front door. You say he is fifty-eight. Our killer goes back outside. You say he is five feet four inches tall. Our killer opens the front door. You say he is five feet three inches. Miss Akuzawa has a pair of slippers waiting for him. You say he is five feet five inches tall. Our killer takes off his boots in the genkan. You say he is five feet two. We listen as Miss Akuzawa tells our killer that the manager has already left, but that the assistant manager will see him. You say he has a thin build. We watch as our killer nods and thanks Miss Akuzawa, as she leads our killer through the bank. You say he has a medium build. We watch our killer pass us in our rows of desks as we work. You say he has an average build. We listen as Miss Akuzawa introduces our killer to the assistant manager, Mr Yoshida. You agree he is rather thin. Our killer bows. You say he has an oval face. Our assistant manager offers our killer a seat. You say he has a long face. Our killer sits down, his face to the right. You say he has a high nose. Our assistant manager stares at the name-card: Yamaguchi Jirō MD; Technical Officer; Ministry of Health and Welfare. You say he has a handsome face. Our killer tells our assistant manager there has been an outbreak of dysentery in the neighbourhood. You say he has a pale complexion. Our assistant manager now presents his own name-card: Yoshida Takejiro; Assistant Manager; Teikoku Bank; Shiinamachi branch, Nagasaki-chō, Toshima Ward, Tokyo. You say he has a jaundiced complexion. Our killer tells Mr Yoshida that the source of the outbreak is the public well in front of the Aida residence in Nagasaki 2-chōme. You say he has two brown spots on his left cheek. Mr Yoshida nods and mentions that the bank’s manager, Mr Ushiyama, has in fact left early due to severe stomach ache. On his right cheek. Our killer tells Mr Yoshida that one of Mr Aida’s tenants has been diagnosed with dysentery and that this man made a deposit in our branch today. You say he has a bruise on his left cheek. Mr Yoshida is amazed that the Ministry of Health and Welfare has heard of the case so quickly. A scar on his right. Our killer tells Mr Yoshida that the doctor who saw Mr Aida’s tenant reported the case promptly. You say he has close-cropped hair. Mr Yoshida nods. You say his hair is grey. Our killer says he has been sent by Lieutenant Parker, who is in charge of the disinfecting team for this area. You say his hair is rather long and grizzled. Mr Yoshida nods again. You say his hair is dark. Our killer has been told to inoculate everyone against dysentery and to disinfect all items that may have been contaminated. You say he wears a brown lounge suit. Mr Yoshida nods for a third time. You say he wears an old winter suit. All members, all rooms, all cash and all money in this branch, says our killer. You say he wears a uniform. Mr Yoshida stares at the name-card again: Yamaguchi Jirō MD; Technical Officer; Ministry of Health & Welfare. You are sure it was a uniform. Our killer says that no one will be allowed to leave until his work has been completed. You say he wears a brown overcoat. Mr Yoshida glances at his watch. You say he carries an overcoat. Lieutenant Parker and his team will arrive soon to check the job has been done properly, says our killer. You say he wears one coat but carries another. Mr Yoshida nods. You say he carries a spring coat. Our killer now places his small olive-green bag on Mr Yoshida’s desk. You say he wears brown rubber shoes. Mr Yoshida watches our killer open the bag. You say he wears burnt orange rubber boots. Our killer takes out a small metal box and two different-sized bottles marked in English. You say there was mud on his shoes. Mr Yoshida reads the words FIRST DRUG on the smaller 200CC bottle and SECOND DRUG on the 500CC bottle. You say his boots were clean. Our