| Item | Count | Percent |
| Total | 38 | 100.0 |
| Office policy/Dept policy | 15 | 39.5 |
| Lack of investigative or prosecutive resources | 10 | 26.3 |
| Weak or insufficient admissible evidence | 4 | 10.5 |
| Suspect to be prosecuted by other authorities | 3 | 7.9 |
| Agency request | 2 | 5.3 |
| Minimal federal interest or no deterrent value | 2 | 5.3 |
| All other | 2 | 5.3 |