Deep in the bowels of the CIA at Langly, there is an appendix lab that works on 'humane' torture. They have had a breakthrough in their development of a hybrid of Platypus venom combined with fire ant venom

The unequaled pain can last from 2 days to 2 weeks. It far exceeds pulling out fingernails, breaking thumbs, or burning out eyes yet does not significantly maim or cause death. It is being promoted as a humane political tool that works better than Putin's methods. The fact that not even morphine can relieve the pain is seen as its great advantage.
Technicians have nick-named it 'bottled hell'.