| Item | Count | Percent |
|---|---|---|
| Total | 47 | 100.0 |
| Weak or insufficient admissible evidence | 13 | 27.7 |
| No federal offense evident | 8 | 17.0 |
| Suspect being prosecuted on other charges (e.g., UFAPs) | 8 | 17.0 |
| Lack of evidence of criminal intent | 6 | 12.8 |
| Suspect to be prosecuted by other authorities | 5 | 10.6 |
| Agency request | 4 | 8.5 |
| All other | 3 | 6.4 |