"Drop the pen out of your hand".
The footage from 2014 shows defendant Siale Angilau get out of his chair and run toward a gang member witness who was testifying against him.
Tenifa told the court about the gang's practices, including how boys as young as 9 are recruited and how they must put in "work".
A federal judge has released the four-year-old courtroom video of the intense moment a defendant is fatally shot as he attacks a witness in Salt Lake City.
Video of the moment Angilau attacked the witness.
The man jumped back to avoid being hit as Angilau fell feet-first over the front of the witness stand and the unidentified USA marshal fires his gun.
The U.S. marshal who fired the shots was cleared of any wrongdoing.
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Angilau was shot dead by a US Marshal.
The video is pixelated to obscure the judge, officers and others in the courtroom.
The Angilau family contended the marshal used excessive force on a man armed with only a pen. "There was no necessity to use force".
Faces of nearly all the people present inside the courtroom at the time, including the judge is blurred in the video. The marshal has been identified only as "Doe" in court filings.
Angilau's family argued the use of deadly force was not permissible in this case and claimed that the deputy fired several shots into Angilau's back after he was already incapacitated.
Steve Griffin | The Salt Lake Tribune Family, friends, and supporters of Siale Angilau, who was shot and killed in the Salt Lake City federal courthouse, gather for the Justice4Siale Vigil on the courthouse plaza in Salt Lake City, Utah, Wednesday, June 11, 2014.
"We applaud Magistrate Judge Paul Cleary's decision in November finding the courtroom security video to be a matter of public record, and U.S. District Judge John Dowdell's order on Friday upholding that ruling", McKenzie Romero, the president of Utah Headliners and a Deseret News reporter, said in a statement. Glendale community members have organized a coalition called the "Raise Your Pen Coalition".