LDT: "Little is known. Accusations are flying."

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Length: 2:49

LOU DOBBS: New concerns tonight about Iran's efforts to kill American troops in Iraq. U.S. military intelligence now says a member of the Iraqi parliament has been assisting Iranian special forces operating in Iraq. It also turns out that the lawmaker was sentenced to death in Kuwait for bombing the American and French embassies in Kuwait City in 1983. Five people were killed in those attacks.

Michael Ware has the report from Baghdad -- Michael.

MICHAEL WARE, CNN CORRESPONDENT: Lou, the very delicate relationship between Washington, Baghdad and Tehran is being strained to its very limits right now. Amid an American campaign of accusations of Iranian military interference supporting insurgents attacking U.S. soldiers here in Iraq, comes a revelation following a CNN investigation that a member of the Iraqi parliament was involved in the car bombing of an American embassy in Kuwait in 1983.

Indeed, this member of the parliament was convicted and sentenced to death for his role in that attack, as well as other attacks on the French embassy and other installations in his absence. It is believed he had already fled Kuwait at the time of the sentencing. At the time, he was part of an armed faction supported by Iran.

This member of parliament then went on to eventually lead an Iraqi element of the Iranian armed forces, a position he left shortly before the U.S. invasion of Iraq, when he returned to covert operations. In the December, 2005 U.S.-sponsored elections here in Iraq, this member of parliament, Jamal Jafaar Mohammed, one of his many names that he's operated under, was successful in winning a seat represented southern Babil Province.

So, suddenly, the American mission here in Iraq found in the parliament it had created was a man who had blown up one of America's own embassies.

Meanwhile, an Iranian diplomat has gone missing here in the capital, Baghdad. Little is known. Accusations are flying.

Iranian and Iraqi government figures say that the diplomat was taken by up to 30 gunmen in Iraqi army or Ministry of Defense uniforms. The Iranian government has actually accused the U.S. of direct or indirect involvement in this official's disappearance.

Certainly the strain is starting to show -- Lou.

DOBBS: Michael Ware from Baghdad.