| Item | Count | Percent |
| Total | 27 | 100.0 |
| Weak or insufficient admissible evidence | 8 | 29.6 |
| No federal offense evident | 3 | 11.1 |
| Suspect being prosecuted on other charges (e.g., UFAPs) | 3 | 11.1 |
| Suspect to be prosecuted by other authorities | 3 | 11.1 |
| Agency request | 1 | 3.7 |
| Civil, admin or other disciplinary alternatives | 1 | 3.7 |
| Office policy/Dept policy | 1 | 3.7 |
| All other | 7 | 25.9 |