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If you are basically giving exposition in these extra scenes, it is an opportunity to switch styles. Instead of yet another POV character or just omniscient narrated events, perhaps these scenes ar...
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#3: Attribution notice added
Source: https://writers.stackexchange.com/a/25164 License name: CC BY-SA 3.0 License URL: https://creativecommons.org/licenses/by-sa/3.0/
#2: Initial revision
If you are basically giving exposition in these extra scenes, it is an opportunity to switch styles. Instead of yet another POV character or just omniscient narrated events, perhaps these scenes are written as an after action report, given as newspaper clippings, or some other manner that clearly distinguishes them as separate from the main narratives but still conveys the necessary information. They could make for a good way to signal breaks/transitions in the main storylines if they fall into a three act structure. If they need to be more immediate, perhaps audio dictations, transcripts of phone conversations, or emails would feel more immediate than an AAR clearly written after everything has unfolded.