| Item | Count | Percent |
| Total | 23 | 100.0 |
| Lack of evidence of criminal intent | 7 | 30.4 |
| Agency request | 5 | 21.7 |
| Lack of investigative or prosecutive resources | 4 | 17.4 |
| Weak or insufficient admissible evidence | 3 | 13.0 |
| Suspect to be prosecuted by other authorities | 2 | 8.7 |
| Civil, admin or other disciplinary alternatives | 1 | 4.3 |
| All other | 1 | 4.3 |