| Item | Count | Percent |
| Total | 18 | 100.0 |
| Office policy/Dept policy | 4 | 22.2 |
| No federal offense evident | 3 | 16.7 |
| Lack of evidence of criminal intent | 1 | 5.6 |
| Suspect being prosecuted on other charges (e.g., UFAPs) | 1 | 5.6 |
| Weak or insufficient admissible evidence | 1 | 5.6 |
| All other | 8 | 44.4 |