Is his leg cramping? Carlson's propaganda show fuels speculation about Putin's health. Experts have been warning against jumping to conclusions for years.

In Putin's case, it has long been speculated whether he might the degenerative nerve disease Parkinson's or may have had a heart attack or stroke. If the strong man at the top is gone, chaos could ensue, a political scientist said in a magazine interview in 2022. If Putin dies, it could plunge Russia into chaos, he said.