| Item | Count | Percent |
| Total | 1,211 | 100.0 |
| Lack of evidence of criminal intent | 209 | 17.3 |
| Weak or insufficient admissible evidence | 208 | 17.2 |
| Suspect to be prosecuted by other authorities | 156 | 12.9 |
| Agency request | 114 | 9.4 |
| Office policy/Dept policy | 110 | 9.1 |
| No federal offense evident | 89 | 7.3 |
| Lack of investigative or prosecutive resources | 65 | 5.4 |
| Suspect being prosecuted on other charges (e.g., UFAPs) | 63 | 5.2 |
| Minimal federal interest or no deterrent value | 55 | 4.5 |
| Civil, admin or other disciplinary alternatives | 38 | 3.1 |
| All other | 104 | 8.6 |