| Item | Count | Percent |
|---|---|---|
| Total | 31 | 100.0 |
| Weak or insufficient admissible evidence | 20 | 64.5 |
| Suspect being prosecuted on other charges (e.g., UFAPs) | 3 | 9.7 |
| Agency request | 2 | 6.5 |
| No federal offense evident | 2 | 6.5 |
| Lack of investigative or prosecutive resources | 1 | 3.2 |
| All other | 3 | 9.7 |