| Rating | Solver | Clue |
|---|---|---|
| RESEARCHING | Investigating | |
| FOLLOWINGUP | Investigating further | |
| UNDERCOVER | Investigating secretly | |
| INDAGATIVE | Searching; exploring; investigating. | |
| SIFTING | Investigating if found in sting | |
| INVESTIGATION | The act of investigating; the process of inquiring into or following up; research; study; inquiry, esp. patient or thorough inquiry or examinat... | |