| Item | Count | Percent |
| Total | 38 | 100.0 |
| Suspect to be prosecuted by other authorities | 10 | 26.3 |
| Lack of evidence of criminal intent | 9 | 23.7 |
| No federal offense evident | 7 | 18.4 |
| Weak or insufficient admissible evidence | 5 | 13.2 |
| Lack of investigative or prosecutive resources | 1 | 2.6 |
| Suspect being prosecuted on other charges (e.g., UFAPs) | 1 | 2.6 |
| All other | 5 | 13.2 |