| Item | Count | Percent |
| Total | 15 | 100.0 |
| Weak or insufficient admissible evidence | 5 | 33.3 |
| Agency request | 2 | 13.3 |
| Minimal federal interest or no deterrent value | 2 | 13.3 |
| Suspect to be prosecuted by other authorities | 2 | 13.3 |
| Lack of evidence of criminal intent | 1 | 6.7 |
| All other | 3 | 20.0 |