| Item | Count | Percent |
| Total | 83 | 100.0 |
| Agency request | 18 | 21.7 |
| Weak or insufficient admissible evidence | 8 | 9.6 |
| Lack of evidence of criminal intent | 7 | 8.4 |
| Lack of investigative or prosecutive resources | 4 | 4.8 |
| Suspect to be prosecuted by other authorities | 4 | 4.8 |
| Minimal federal interest or no deterrent value | 2 | 2.4 |
| All other | 40 | 48.2 |