| Item | Count | Percent |
|---|---|---|
| Total | 18 | 100.0 |
| Lack of evidence of criminal intent | 7 | 38.9 |
| Weak or insufficient admissible evidence | 6 | 33.3 |
| Minimal federal interest or no deterrent value | 2 | 11.1 |
| Suspect to be prosecuted by other authorities | 2 | 11.1 |
| Agency request | 1 | 5.6 |