| Item | Count | Percent |
| Total | 520 | 100.0 |
| Lack of investigative or prosecutive resources | 284 | 54.6 |
| Weak or insufficient admissible evidence | 151 | 29.0 |
| Office policy/Dept policy | 34 | 6.5 |
| Agency request | 19 | 3.7 |
| Suspect to be prosecuted by other authorities | 8 | 1.5 |
| Minimal federal interest or no deterrent value | 4 | 0.8 |
| No federal offense evident | 3 | 0.6 |
| Suspect being prosecuted on other charges (e.g., UFAPs) | 3 | 0.6 |
| Civil, admin or other disciplinary alternatives | 2 | 0.4 |
| Declined per instructions from DOJ | 1 | 0.2 |
| All other | 11 | 2.1 |