| Item | Count | Percent |
| Total | 63 | 100.0 |
| Suspect to be prosecuted by other authorities | 25 | 39.7 |
| Weak or insufficient admissible evidence | 17 | 27.0 |
| Lack of evidence of criminal intent | 9 | 14.3 |
| Agency request | 3 | 4.8 |
| Minimal federal interest or no deterrent value | 3 | 4.8 |
| Suspect being prosecuted on other charges (e.g., UFAPs) | 3 | 4.8 |
| Lack of investigative or prosecutive resources | 1 | 1.6 |
| All other | 2 | 3.2 |