| Item | Count | Percent |
| Total | 47 | 100.0 |
| Lack of evidence of criminal intent | 21 | 44.7 |
| Suspect to be prosecuted by other authorities | 12 | 25.5 |
| Weak or insufficient admissible evidence | 11 | 23.4 |
| No federal offense evident | 1 | 2.1 |
| Office policy/Dept policy | 1 | 2.1 |
| All other | 1 | 2.1 |