| Item | Count | Percent |
| Total | 42 | 100.0 |
| Agency request | 14 | 33.3 |
| Office policy/Dept policy | 13 | 31.0 |
| Weak or insufficient admissible evidence | 5 | 11.9 |
| Lack of evidence of criminal intent | 4 | 9.5 |
| Lack of investigative or prosecutive resources | 2 | 4.8 |
| Suspect to be prosecuted by other authorities | 2 | 4.8 |
| Minimal federal interest or no deterrent value | 1 | 2.4 |
| All other | 1 | 2.4 |