| Item | Count | Percent |
| Total | 19 | 100.0 |
| Weak or insufficient admissible evidence | 14 | 73.7 |
| Lack of investigative or prosecutive resources | 2 | 10.5 |
| Suspect being prosecuted on other charges (e.g., UFAPs) | 1 | 5.3 |
| Suspect to be prosecuted by other authorities | 1 | 5.3 |
| All other | 1 | 5.3 |