| Item | Count | Percent |
| Total | 27 | 100.0 |
| Weak or insufficient admissible evidence | 12 | 44.4 |
| Civil, admin or other disciplinary alternatives | 3 | 11.1 |
| Lack of investigative or prosecutive resources | 3 | 11.1 |
| Suspect being prosecuted on other charges (e.g., UFAPs) | 2 | 7.4 |
| Agency request | 1 | 3.7 |
| No federal offense evident | 1 | 3.7 |
| Suspect to be prosecuted by other authorities | 1 | 3.7 |
| All other | 4 | 14.8 |