... congressional investigators say they have more unanswered questions:
- Are there are other similar "gunwalking" programs in existence?
- What is the extent of involvement by 12 top Justice officials, including three political appointees: Deputy Attorney General James Cole, Assistant Attorney General Lanny Breuer, and former Deputy Attorney General Gary Grindler, who now works in US Attorney General Eric Holder's office?
- How were smugglers carrying Fast and Furious arms allowed to resume their travels after being caught in traffic stops?
- What role, if any, did the Federal Bureau of Investigation (FBI) and the Drug Enforcement Administration (DEA) play in the scheme?"