| Item | Count | Percent |
| Total | 19 | 100.0 |
| Suspect to be prosecuted by other authorities | 7 | 36.8 |
| Weak or insufficient admissible evidence | 3 | 15.8 |
| Lack of evidence of criminal intent | 2 | 10.5 |
| Agency request | 1 | 5.3 |
| No federal offense evident | 1 | 5.3 |
| Suspect being prosecuted on other charges (e.g., UFAPs) | 1 | 5.3 |
| All other | 4 | 21.1 |