| Item | Count | Percent |
| Total | 44 | 100.0 |
| Suspect being prosecuted on other charges (e.g., UFAPs) | 16 | 36.4 |
| Suspect to be prosecuted by other authorities | 10 | 22.7 |
| Agency request | 4 | 9.1 |
| Weak or insufficient admissible evidence | 3 | 6.8 |
| No federal offense evident | 2 | 4.5 |
| Lack of evidence of criminal intent | 1 | 2.3 |
| All other | 8 | 18.2 |