| Item | Count | Percent |
| Total | 50 | 100.0 |
| Suspect to be prosecuted by other authorities | 20 | 40.0 |
| Lack of evidence of criminal intent | 16 | 32.0 |
| Weak or insufficient admissible evidence | 6 | 12.0 |
| Agency request | 4 | 8.0 |
| Minimal federal interest or no deterrent value | 1 | 2.0 |
| No federal offense evident | 1 | 2.0 |
| All other | 2 | 4.0 |