| Item | Count | Percent |
| Total | 236 | 100.0 |
| Lack of evidence of criminal intent | 67 | 28.4 |
| Weak or insufficient admissible evidence | 48 | 20.3 |
| Agency request | 37 | 15.7 |
| Suspect to be prosecuted by other authorities | 26 | 11.0 |
| Minimal federal interest or no deterrent value | 15 | 6.4 |
| No federal offense evident | 10 | 4.2 |
| Suspect being prosecuted on other charges (e.g., UFAPs) | 6 | 2.5 |
| Lack of investigative or prosecutive resources | 5 | 2.1 |
| Declined per instructions from DOJ | 1 | 0.4 |
| All other | 21 | 8.9 |