| Item | Count | Percent |
| Total | 39 | 100.0 |
| Suspect to be prosecuted by other authorities | 13 | 33.3 |
| Weak or insufficient admissible evidence | 5 | 12.8 |
| Lack of investigative or prosecutive resources | 4 | 10.3 |
| Agency request | 3 | 7.7 |
| No federal offense evident | 3 | 7.7 |
| Office policy/Dept policy | 1 | 2.6 |
| Suspect being prosecuted on other charges (e.g., UFAPs) | 1 | 2.6 |
| All other | 9 | 23.1 |