| Item | Count | Percent |
| Total | 224 | 100.0 |
| Lack of investigative or prosecutive resources | 135 | 60.3 |
| Suspect to be prosecuted by other authorities | 20 | 8.9 |
| Weak or insufficient admissible evidence | 18 | 8.0 |
| Lack of evidence of criminal intent | 13 | 5.8 |
| No federal offense evident | 11 | 4.9 |
| Suspect being prosecuted on other charges (e.g., UFAPs) | 8 | 3.6 |
| Minimal federal interest or no deterrent value | 5 | 2.2 |
| Agency request | 3 | 1.3 |
| Office policy/Dept policy | 2 | 0.9 |
| All other | 9 | 4.0 |