| Item | Count | Percent |
| Total | 230 | 100.0 |
| Weak or insufficient admissible evidence | 159 | 69.1 |
| Suspect to be prosecuted by other authorities | 14 | 6.1 |
| No federal offense evident | 8 | 3.5 |
| Lack of evidence of criminal intent | 7 | 3.0 |
| Civil, admin or other disciplinary alternatives | 3 | 1.3 |
| Agency request | 2 | 0.9 |
| Suspect being prosecuted on other charges (e.g., UFAPs) | 2 | 0.9 |
| Office policy/Dept policy | 1 | 0.4 |
| All other | 34 | 14.8 |