... or you just have to convince investors you can do such a thing. Remember Theranos? The incentive to claim this knowledge would be powerful, especially for a power mad government. Refer also to FBI crime lab fake bite mark, fiber, and bullet ballistic analysis.
If you are on a jury and you are presented with this (((evidence))) you are right to reject it and send the accused home. You are fucked with an NPC jury, though.
https://www.geniaphotonics.com/products
They have them for sale
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