| Item | Count | Percent |
| Total | 30 | 100.0 |
| Weak or insufficient admissible evidence | 14 | 46.7 |
| Lack of evidence of criminal intent | 7 | 23.3 |
| Agency request | 5 | 16.7 |
| No federal offense evident | 1 | 3.3 |
| Suspect being prosecuted on other charges (e.g., UFAPs) | 1 | 3.3 |
| All other | 2 | 6.7 |