Vicki Gardner, the woman who was being interviewed on live television when a gunman opened fire in Virginia last month, is speaking out about the shooting.

Gardner, the executive director of the Smith Mountain Lake Chamber of Commerce, says shooter Vester Flanagan didn't say a word before fatally shooting his former colleagues, WDBJ-TV reporter Alison Parker and cameraman Adam Ward.

"We did see a motion that seemed a little unusual. We couldn't quite place it," she said. "Was it somebody looking for something? Was it somebody that maybe was here for maintenance that wanted to ask a question? My thought was, is he going to ask a question while we're live on air? I just didn't know."

Two journalists fatally shot during live broadcast

"It was just very, very fast. I saw movement and then gunfire - lots and lots of gunfire," Gardner recalled, in an interview with Fox News' Greta Van Susteren Tuesday. "It was very chaotic."

After realizing that Adam and Alison had been shot, Gardner says she fell to the ground and pretended to be dead - which she credits with saving her life. "I knew the next shot, he was just going to shoot me in the head, because that was what he was doing," she says. "I was waiting for him to shoot me in the head."

Gardner added: "Had I continued to stand, I would not be here talking to you."

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Flanagan shot Gardner in the back while she was on the ground, before leaving the scene. She says she believed she was going to at least be paralyzed from the injury, if not killed. Instead, she underwent surgery to remove her kidney and part of her colon and was released from the hospital last week.

"My heart just goes out to Alison and Adam," Gardner said. "They're so young. Why save me and take them?"

Flanagan committed suicide later that afternoon after being pursued by police.

Watch Gardner's interview with Fox News here: