| Item | Count | Percent |
| Total | 22 | 100.0 |
| Lack of evidence of criminal intent | 9 | 40.9 |
| Weak or insufficient admissible evidence | 4 | 18.2 |
| Agency request | 3 | 13.6 |
| Lack of investigative or prosecutive resources | 1 | 4.5 |
| Minimal federal interest or no deterrent value | 1 | 4.5 |
| All other | 4 | 18.2 |