So far, Congress and the media haven’t had much luck getting answers on the Bureau of Alcohol, Tobacco and Firearms’ ongoing “gunwalking” controversy.

The Department of Justice and ATF have missed repeated deadlines to turn over information and documents to Sen. Charles Grassley (R-Iowa), who’s investigating. ATF Acting Director Kenneth Melson was scheduled to appear before a Senate hearing Thursday, in which he would likely have been asked questions about the scandal. However, CBS News has confirmed Melson has now been pulled from the hearing witness list.

We contacted the Senate Foreign Relations Committee to ask why Melson is no longer scheduled to appear. They referred us to the office of Sen. Robert Menendez (D-N.J.) who chairs the subcommittee holding the hearing. A press spokeswoman at the senator’s office said it was Melson’s decision not to testify, and that the subcommittee doesn’t have jurisdiction over ATF.

Source: Sharyl Attkisson for CBS News.

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