The resident may [should?] kill the enterer upon catching him in the house, if the thief would have been prepared to kill him: Pesachim 2a-b
Whether a warning is required before killing the enterer: Ketuvot 34b
Whether someone who steals an ox or sheep and slaughters it during the break-in is liable to pay the fine of four or five times the animal's value: Ketuvot 34b
