| Item | Count | Percent |
| Total | 47 | 100.0 |
| Suspect to be prosecuted by other authorities | 21 | 44.7 |
| Lack of evidence of criminal intent | 9 | 19.1 |
| Weak or insufficient admissible evidence | 6 | 12.8 |
| Minimal federal interest or no deterrent value | 3 | 6.4 |
| Suspect being prosecuted on other charges (e.g., UFAPs) | 1 | 2.1 |
| All other | 7 | 14.9 |