ἐπέμψατε ἀγγέλους τοῖς ἀλλήλοις ὥστε ἔγνωτε τὸν κίνδυνον → you sent messengers to one another so that you knew the danger
socra: v. socrus.
socra, æ, c. socrus : CIL 12, 3957 ; CIL 2, 530 ; etc.