I was thinking -273.15 Celsius, zero kelvin or -459.67 Fahrenheit which is absolute zero. It is impossible to reach absolute zero but I do think they have broken the laws of thermodynamics and reached the impossible. Fusion has absolute zero credibility. They should have went into physics instead of being a political hit squad for hire.
My nonsense response.... Negative Zero
These two characters should have a GPS harness strapped to the neck like a dog collar. Then, everyone the speak to should be required to register with the court.
Perhaps a tattoo on their foreheads: red “T” for traitor or “J” for jerk would be fitting.
Clearly, they have no shame, so shunning them and shinning light on their daily life may be the only solution, unless they commit a criminal act that can be prosecuted.