| Item | Count | Percent |
| Total | 239 | 100.0 |
| Suspect to be prosecuted by other authorities | 209 | 87.4 |
| Lack of investigative or prosecutive resources | 9 | 3.8 |
| Weak or insufficient admissible evidence | 9 | 3.8 |
| No federal offense evident | 4 | 1.7 |
| Lack of evidence of criminal intent | 3 | 1.3 |
| Suspect being prosecuted on other charges (e.g., UFAPs) | 3 | 1.3 |
| Minimal federal interest or no deterrent value | 1 | 0.4 |
| All other | 1 | 0.4 |