| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | by [noun pl] investigating | 34 |
|
| 2 | by police investigating | 24 |
|
| 3 | by police investigating | 24 |
|
| 4 | by detective investigating | 8 |
|
| 5 | by detectives investigating | 8 |
|
