| Item | Count | Percent |
| Total | 41 | 100.0 |
| Weak or insufficient admissible evidence | 21 | 51.2 |
| Suspect to be prosecuted by other authorities | 12 | 29.3 |
| Lack of evidence of criminal intent | 3 | 7.3 |
| Suspect being prosecuted on other charges (e.g., UFAPs) | 2 | 4.9 |
| Minimal federal interest or no deterrent value | 1 | 2.4 |
| No federal offense evident | 1 | 2.4 |
| All other | 1 | 2.4 |