| Item | Count | Percent |
| Total | 43 | 100.0 |
| Lack of evidence of criminal intent | 21 | 48.8 |
| Weak or insufficient admissible evidence | 12 | 27.9 |
| Minimal federal interest or no deterrent value | 3 | 7.0 |
| Suspect to be prosecuted by other authorities | 3 | 7.0 |
| Agency request | 1 | 2.3 |
| Lack of investigative or prosecutive resources | 1 | 2.3 |
| No federal offense evident | 1 | 2.3 |
| Suspect being prosecuted on other charges (e.g., UFAPs) | 1 | 2.3 |