Consider that real, for a moment.
Do you know how large Cat packs can start coordinated attacks or how no-look passes succeed?
That's prediction based on knowing each other.
In order to obtain that knowledge it needs social intelligence and that requires empathy also known as feeling.
The sensor to Feel are Nerves
If a part of mankind over many generations only had children based on social intelligence they must have more nerves and higher developed social capability by an optimised brain.
Lie Detectors do not find Lie or Truth, they record emotional stress. Part of that is sweating and that needs a higher body temperature which would be also visible using an IR receiver. iR is part of light, we just can't actively see, but yet also receive and we all have plenty more we cannot actively control such as kidney activity.
Now consider that one group in mankind hears naturally voices and another for the price of frying their brain by the use of boosters.
Set question marks yourself reading it again, that last paragraph there....
Fuck You CIA. Auschwitz Drug Research.
