| Item | Count | Percent |
| Total | 23 | 100.0 |
| Suspect to be prosecuted by other authorities | 10 | 43.5 |
| Lack of evidence of criminal intent | 4 | 17.4 |
| Weak or insufficient admissible evidence | 3 | 13.0 |
| Lack of investigative or prosecutive resources | 2 | 8.7 |
| Office policy/Dept policy | 1 | 4.3 |
| All other | 3 | 13.0 |