| Item | Count | Percent |
| Total | 67 | 100.0 |
| Lack of evidence of criminal intent | 23 | 34.3 |
| Lack of investigative or prosecutive resources | 14 | 20.9 |
| Suspect to be prosecuted by other authorities | 11 | 16.4 |
| Weak or insufficient admissible evidence | 5 | 7.5 |
| Suspect being prosecuted on other charges (e.g., UFAPs) | 3 | 4.5 |
| No federal offense evident | 2 | 3.0 |
| Agency request | 1 | 1.5 |
| Civil, admin or other disciplinary alternatives | 1 | 1.5 |
| All other | 7 | 10.4 |