| Item | Count | Percent |
| Total | 20,073 | 100.0 |
| Weak or insufficient admissible evidence | 3,758 | 18.7 |
| Lack of evidence of criminal intent | 2,974 | 14.8 |
| Suspect to be prosecuted by other authorities | 2,527 | 12.6 |
| No federal offense evident | 1,874 | 9.3 |
| Minimal federal interest or no deterrent value | 1,322 | 6.6 |
| Lack of investigative or prosecutive resources | 1,215 | 6.1 |
| Office policy/Dept policy | 1,104 | 5.5 |
| Agency request | 1,012 | 5.0 |
| Declined per instructions from DOJ | 803 | 4.0 |
| Suspect being prosecuted on other charges (e.g., UFAPs) | 677 | 3.4 |
| Civil, admin or other disciplinary alternatives | 562 | 2.8 |
| All other | 2,245 | 11.2 |
