| Answer | Crossword Clue |
|---|---|
| TATTLE | Inform on. |
| BLOWTHEWHISTLE | Inform (on) |
| RAT | Inform (on) |
| RAT | Inform on |
| RATOUT | Inform on, slangily |
| LET | ... in on (inform) |
| RAT | Inform on, with "out" |
| RAT | Inform on the Mob |
| RAT | Inform on the mob |
| SING | Inform on a fellow-criminal: Slang. |
| SING | Inform on partners in crime: Slang. |
