| Item | Count | Percent |
| Total | 25 | 100.0 |
| Lack of evidence of criminal intent | 6 | 24.0 |
| Suspect to be prosecuted by other authorities | 6 | 24.0 |
| Weak or insufficient admissible evidence | 5 | 20.0 |
| Agency request | 4 | 16.0 |
| No federal offense evident | 2 | 8.0 |
| Suspect being prosecuted on other charges (e.g., UFAPs) | 1 | 4.0 |
| All other | 1 | 4.0 |