| Answer | Crossword Clue |
|---|---|
| DET | Investigator: Abbr. |
| NTSB | Accident investigator (abbr.) |
| DET | Police investigator: Abbr. |
| DET | Lead investigator?: Abbr. |
| NTSB | Crash site investigator: Abbr. |
| NTSB | Pipeline accident investigator: Abbr. |
| NTSB | Airline accident investigator (Abbr.) |
