| Item | Count | Percent |
| Total | 13 | 100.0 |
| Suspect to be prosecuted by other authorities | 5 | 38.5 |
| Lack of evidence of criminal intent | 3 | 23.1 |
| Agency request | 2 | 15.4 |
| Minimal federal interest or no deterrent value | 1 | 7.7 |
| Weak or insufficient admissible evidence | 1 | 7.7 |
| All other | 1 | 7.7 |