| Item | Count | Percent |
| Total | 41 | 100.0 |
| Lack of evidence of criminal intent | 16 | 39.0 |
| Weak or insufficient admissible evidence | 5 | 12.2 |
| Agency request | 3 | 7.3 |
| No federal offense evident | 3 | 7.3 |
| Suspect being prosecuted on other charges (e.g., UFAPs) | 3 | 7.3 |
| Suspect to be prosecuted by other authorities | 2 | 4.9 |
| Minimal federal interest or no deterrent value | 1 | 2.4 |
| All other | 8 | 19.5 |