| Item | Count | Percent |
| Total | 25 | 100.0 |
| Weak or insufficient admissible evidence | 15 | 60.0 |
| Lack of evidence of criminal intent | 3 | 12.0 |
| No federal offense evident | 2 | 8.0 |
| Suspect being prosecuted on other charges (e.g., UFAPs) | 2 | 8.0 |
| Suspect to be prosecuted by other authorities | 2 | 8.0 |
| Office policy/Dept policy | 1 | 4.0 |