| Item | Count | Percent |
| Total | 17 | 100.0 |
| Lack of evidence of criminal intent | 4 | 23.5 |
| Lack of investigative or prosecutive resources | 3 | 17.6 |
| Weak or insufficient admissible evidence | 2 | 11.8 |
| Agency request | 1 | 5.9 |
| Suspect to be prosecuted by other authorities | 1 | 5.9 |
| All other | 6 | 35.3 |