Speier made the emotional speech on the House floor Wednesday as two republicans and all democrats voted to create a committee to investigate the attack.
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Last month, the Senate blocked the creation of a panel that had been approved by Congress.
The committee approved today does not need Senate approval.
Speier recalled the events of January 6, saying she feared for her life.
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"It took me back over 40 years ago, lying on an airstrip in Guyana, about to lose my life. And I thought in that moment, my God I survived Guyana, but I'm not going to survive this in the House of democracy in the country in which I was born."
The committee will be led by Democrats.
It's not clear if Republicans will participate.
GOP leaders have complained that the investigation would be partisan.
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