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By Eun Kyung Kim

Régis Le Sommier, the deputy editor of French publication Paris Match, says he believes that a video apparently showing the chaotic final seconds on board the Germanwings flight is authentic.

“I’m convinced this is real,” Le Sommier told TODAY's Savannah Guthrie. "We are pretty positive about our source, which is close to the investigation team, so there is no doubt that what we saw are the final seconds of what happened."

A French police official told NBC News that the cell phone video appeared to be "a fake."

“The footage is very blurry, but the sound…there’s no doubt the passenger knew what was going on inside and knew what was going to happen,” Le Sommier said.

None of the family members of the passengers have reached out to the publication about the video, he added.

"Not yet. Under my knowledge at the moment, I don’t think so," he said, stressing that the publication doesn't actually possess the video.

Lufthansa, the parent company of Germanwings, on Tuesday acknowledged it knew that pilot Andreas Lubitz had suffered from severe depression. Investigators believe Lubitz deliberately crashed the jetliner into the French Alps.