| Item | Count | Percent |
| Total | 59 | 100.0 |
| Lack of evidence of criminal intent | 13 | 22.0 |
| Suspect to be prosecuted by other authorities | 12 | 20.3 |
| Weak or insufficient admissible evidence | 8 | 13.6 |
| Agency request | 2 | 3.4 |
| Minimal federal interest or no deterrent value | 2 | 3.4 |
| No federal offense evident | 2 | 3.4 |
| All other | 20 | 33.9 |