Amisha

Reacher 4 has just revealed what was hidden on the USB, but what is the chemical toxin?

Reacher season 4 has revealed that the USB drive contains the formula for a deadly chemical weapon developed by DARPA as a defensive mechanism. The plot involves a deal with Indonesia, a stolen formula, and a conspiracy to sell the toxin to terrorist organizations, culminating in a foiled attack and the sacrifice of John Sampson.