| Item | Count | Percent |
| Total | 552 | 100.0 |
| Weak or insufficient admissible evidence | 35 | 6.3 |
| Lack of investigative or prosecutive resources | 18 | 3.3 |
| Office policy/Dept policy | 5 | 0.9 |
| Agency request | 3 | 0.5 |
| Lack of evidence of criminal intent | 3 | 0.5 |
| Minimal federal interest or no deterrent value | 1 | 0.2 |
| No federal offense evident | 1 | 0.2 |
| Suspect to be prosecuted by other authorities | 1 | 0.2 |
| All other | 485 | 87.9 |