| Item | Count | Percent |
| Total | 40 | 100.0 |
| Weak or insufficient admissible evidence | 19 | 47.5 |
| Minimal federal interest or no deterrent value | 7 | 17.5 |
| Suspect to be prosecuted by other authorities | 7 | 17.5 |
| Suspect being prosecuted on other charges (e.g., UFAPs) | 4 | 10.0 |
| No federal offense evident | 2 | 5.0 |
| Agency request | 1 | 2.5 |