There are over 200 known cases where people have been found burned to death with no discernible cause. These cases have contributed to the theory of spontaneous human combustion, the idea that a person can catch fire and burn alive with no external ignition source. And, while it's regarded as a pseudoscience by the field at large, large enforcement and coroners around the world still use spontaneous human combustion as an official cause of death. We try to separate fact from fiction in this burning mystery, examining theories like the "wick effect."