| Item | Count | Percent |
|---|---|---|
| Total | 37 | 100.0 |
| Weak or insufficient admissible evidence | 13 | 35.1 |
| Lack of evidence of criminal intent | 6 | 16.2 |
| Lack of investigative or prosecutive resources | 4 | 10.8 |
| Suspect to be prosecuted by other authorities | 4 | 10.8 |
| Agency request | 1 | 2.7 |
| No federal offense evident | 1 | 2.7 |
| All other | 8 | 21.6 |