| Item | Count | Percent |
| Total | 18 | 100.0 |
| Weak or insufficient admissible evidence | 6 | 33.3 |
| Lack of evidence of criminal intent | 4 | 22.2 |
| Agency request | 2 | 11.1 |
| Civil, admin or other disciplinary alternatives | 1 | 5.6 |
| Minimal federal interest or no deterrent value | 1 | 5.6 |
| No federal offense evident | 1 | 5.6 |
| All other | 3 | 16.7 |