| Item | Count | Percent |
| Total | 160 | 100.0 |
| Weak or insufficient admissible evidence | 93 | 58.1 |
| Suspect to be prosecuted by other authorities | 14 | 8.8 |
| Lack of evidence of criminal intent | 13 | 8.1 |
| Minimal federal interest or no deterrent value | 3 | 1.9 |
| No federal offense evident | 3 | 1.9 |
| Civil, admin or other disciplinary alternatives | 2 | 1.3 |
| Suspect being prosecuted on other charges (e.g., UFAPs) | 1 | 0.6 |
| All other | 31 | 19.4 |