| Item | Count | Percent |
| Total | 13 | 100.0 |
| Lack of investigative or prosecutive resources | 7 | 53.8 |
| Weak or insufficient admissible evidence | 2 | 15.4 |
| Lack of evidence of criminal intent | 1 | 7.7 |
| No federal offense evident | 1 | 7.7 |
| Suspect being prosecuted on other charges (e.g., UFAPs) | 1 | 7.7 |
| All other | 1 | 7.7 |