Victim: Gang-Rape Cover-Up by U.S., Halliburton/KBR

A spokesperson for the State Department's Bureau of Diplomatic Security told ABCNews.com he could not comment on the matter.

Jamie Leigh Jones

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Over two years later, the Justice Department has brought no criminal charges in the matter. In fact, ABC News could not confirm any federal agency was investigating the case.

Legal experts say Jones' alleged assailants will likely never face a judge and jury, due to an enormous loophole that has effectively left contractors in Iraq beyond the reach of United States law.

"It's very troubling," said Dean John Hutson of the Franklin Pierce Law Center. "The way the law presently stands, I would say that they don't have, at least in the criminal system, the opportunity for justice."

Congressman Poe says neither the departments of State nor Justice will give him answers on the status of the Jones investigation.

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Asked what reasons the departments gave for the apparent slowness of the probes, Poe sounded frustrated.

"There are several, I think, their excuses, why the perpetrators haven't been prosecuted," Poe told ABC News. "But I think it is the responsibility of our government, the Justice Department and the State Department, when crimes occur against American citizens overseas in Iraq, contractors that are paid by the American public, that we pursue the criminal cases as best as we possibly can and that people are prosecuted."

Since no criminal charges have been filed, the only other option, according to Hutson, is the civil system, which is the approach that Jones is trying now. But Jones' former employer doesn't want this case to see the inside of a civil courtroom.

KBR has moved for Jones' claim to be heard in private arbitration, instead of a public courtroom. It says her employment contract requires it.

In arbitration, there is no public record nor transcript of the proceedings, meaning that Jones' claims would not be heard before a judge and jury. Rather, a private arbitrator would decide Jones' case. In recent testimony before Congress, employment lawyer Cathy Ventrell-Monsees said that Halliburton won more than 80 percent of arbitration proceedings brought against it.