Lee posted the video on the website Cultures of Resistance, the umbrella advocacy organisation housing her media production company, Caipirinha Foundation.
Lee, who has lived in the United States for many years, screened the video for journalists on Thursday at the United Nations, but has now posted the raw video online for viewing by anybody who is interested.
Lee was on the Mavi Marmara with a film crew shooting a documentary about the voyage.
She says after the raid, Israeli soldiers confiscated thousands of dollars of her video equipment and media, but that she smuggled out the images contained on a memory card hidden underneath her clothes.
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