Catena Aurea on John 13:21–30: Augustine of Hippo

Or entered into him, that he might have more full possession of him: for he was in him, when he agreed with the Jews to betray our Lord for a sum of money, according to Luke: Then entered Satan into Judas Iscariot, and he went away, and communed with the chief priests. (Luke 22:3. 4) In this state he came to the supper. But after the sop the devil entered, not to tempt him, as though he were independent but to possess him as his own,