| Answer | Crossword Clue |
|---|---|
| SECRETCODE | A spy might send a message in one |
| CARRIERPIGEON | One way to send a message. |
| TEXT | One way to send a message |
| ALIAS | A spy might work under one |
| RADIO | Send a message, in a way |
| FAX | Send a message, in a way |
| TEXT | Send a message, in a way |
| TEXT | Send a message to, in a way |
