It's true that printers put on everything they print a forensic id, this is so, say a prominent person in society receives a printed threat, you send the piece of paper to the printer manufacturer and they tell you exactly which printer printed the threat.
Then, they trace the printers movements, factory>warehouse>dispatch>store
Then they go to the store and locate the buyers information if any.
Seen this on YouTube similar to a "how it's made" type video
Its a terroristic threat
Which also gives you preemptive evidence of self defense if SHTF
It's true that printers put on everything they print a forensic id, this is so, say a prominent person in society receives a printed threat, you send the piece of paper to the printer manufacturer and they tell you exactly which printer printed the threat.
Then, they trace the printers movements, factory>warehouse>dispatch>store
Then they go to the store and locate the buyers information if any.
Seen this on YouTube similar to a "how it's made" type video