| Item | Count | Percent |
| Total | 97 | 100.0 |
| Weak or insufficient admissible evidence | 29 | 29.9 |
| Agency request | 14 | 14.4 |
| No federal offense evident | 13 | 13.4 |
| Suspect to be prosecuted by other authorities | 7 | 7.2 |
| Suspect being prosecuted on other charges (e.g., UFAPs) | 6 | 6.2 |
| Minimal federal interest or no deterrent value | 4 | 4.1 |
| Lack of evidence of criminal intent | 3 | 3.1 |
| Lack of investigative or prosecutive resources | 2 | 2.1 |
| All other | 19 | 19.6 |