| Item | Count | Percent |
| Total | 46 | 100.0 |
| Lack of evidence of criminal intent | 14 | 30.4 |
| Suspect to be prosecuted by other authorities | 9 | 19.6 |
| Weak or insufficient admissible evidence | 6 | 13.0 |
| Lack of investigative or prosecutive resources | 3 | 6.5 |
| Office policy/Dept policy | 2 | 4.3 |
| All other | 12 | 26.1 |