| Item | Count | Percent |
| Total | 64 | 100.0 |
| Suspect to be prosecuted by other authorities | 23 | 35.9 |
| Lack of evidence of criminal intent | 12 | 18.8 |
| Weak or insufficient admissible evidence | 11 | 17.2 |
| Minimal federal interest or no deterrent value | 4 | 6.3 |
| No federal offense evident | 3 | 4.7 |
| Agency request | 2 | 3.1 |
| Office policy/Dept policy | 1 | 1.6 |
| All other | 8 | 12.5 |