| Item | Count | Percent |
|---|---|---|
| Total | 56 | 100.0 |
| Lack of evidence of criminal intent | 24 | 42.9 |
| Weak or insufficient admissible evidence | 15 | 26.8 |
| Suspect to be prosecuted by other authorities | 8 | 14.3 |
| Lack of investigative or prosecutive resources | 2 | 3.6 |
| No federal offense evident | 1 | 1.8 |
| All other | 6 | 10.7 |