| Item | Count | Percent |
| Total | 173 | 100.0 |
| Office policy/Dept policy | 83 | 48.0 |
| Weak or insufficient admissible evidence | 19 | 11.0 |
| Suspect to be prosecuted by other authorities | 18 | 10.4 |
| No federal offense evident | 16 | 9.2 |
| Lack of evidence of criminal intent | 12 | 6.9 |
| Minimal federal interest or no deterrent value | 5 | 2.9 |
| Suspect being prosecuted on other charges (e.g., UFAPs) | 2 | 1.2 |
| Agency request | 1 | 0.6 |
| Lack of investigative or prosecutive resources | 1 | 0.6 |
| All other | 16 | 9.2 |