Looks like Janis didn't die instantly from her gun shot wounds. That piece of information is quickly surmised based on this FlashForward clip, courtesy of "Scary Monsters and Super Creeps."
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This is the official ABC trailer for "Scary Monsters and Super Creeps." Dominic Monaghan's character is featured prominently during the episode.
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This is the official preview for "Scary Monsters and Super Creeps." It's the FlashForward episode that airs on October 29, 2009 and features a lot of Simon.
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FlashForward Season 1 Episode 6 Quotes

Aaron: Was that a kangaroo?
Charlie: That was the best costume I have ever seen.

Our experiment killed 20 million people, Simon. What more is there to say?

Lloyd