Watch Live: Hearing on Benghazi Attack on Wednesday

Gregory Hicks, deputy chief of mission in Tripoli, Libya, reportedly told House investigators that U.S. officials in Libya knew the assault on the Benghazi compound was a premeditated terrorist attack. He testifies at a House hearing Wednesday at 11:30 a.m. ET.

Gregory Hicks, deputy chief of mission in Tripoli, Libya, during the time of the 2012 attack on the U.S. consulate in Benghazi, reportedly told House investigators that U.S. officials in Libya knew the assault on the compound was a premeditated terrorist attack from the start. He'll be testifying at a House Oversight Committee hearing on Wednesday, which you can watch live in this blog post.

"I think everybody in the mission thought it was a terrorist attack from the beginning," Hicks said, according to a transcript supplied to CBS News' "Face the Nation".

His testimony would contradict what U.S. officials, including U.S. Ambassador to the U.N. Susan Rice, told media outlets in the days following the deadly attack that it stemmed from a spontaneous demonstration against an Internet video depicting the Muslim Prophet Muhammad -- rather than a preplanned siege.

Consulate in Benghazi The burnt U.S. consulate in Benghazi a day after the attack. Photo by Gianluigi Guercia/AFP/Getty Images.

Hicks said in the investigation that the U.S. Ambassador to Libya Chris Stevens would have reported a demonstration, but instead he said the compound was "under attack." Stevens was one of four Americans killed during the raid on the consulate on Sept. 11, 2012.

Also testifying at the hearing are Mark Thompson, acting deputy assistant secretary for counterterrorism, and Eric Nordstrom, diplomatic security officer and former regional security officer in Libya, both of the State Department.

The House Committee on Oversight and Government Reform is chaired by Rep. Darrell Issa, R-Calif. The hearing begins at 11:30 a.m. ET.

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The same House committee held a hearing on the matter when more information came to light in October.

Hillary Clinton, then secretary of state, also testified at a Senate hearing on the investigation into how the State Department handled the consulate's calls for more security before the attack.

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