| Item | Count | Percent |
| Total | 86 | 100.0 |
| Weak or insufficient admissible evidence | 24 | 27.9 |
| Lack of evidence of criminal intent | 16 | 18.6 |
| Lack of investigative or prosecutive resources | 12 | 14.0 |
| Suspect to be prosecuted by other authorities | 8 | 9.3 |
| No federal offense evident | 5 | 5.8 |
| Agency request | 4 | 4.7 |
| Minimal federal interest or no deterrent value | 3 | 3.5 |
| Suspect being prosecuted on other charges (e.g., UFAPs) | 3 | 3.5 |
| All other | 11 | 12.8 |