They are in a locked room or have had no enemies to speak of , yet in the middle of the night they are completely burned up with no signs of struggle or anything stolen. It was first stated that only obese, alcoholic women were the main targets but throughout history it has happened many times to both sexes of the human race. Modern science says that SHC isn't possible yet there still isn't a logical or reasonable explanation that they can think of as to of what might have occurred. Yes it is agreed that Spontaneous Combustion can happen in a compost heap or a hay stack but not in people. Other interesting thoughts of mine turn to more complicated scenarios.
Lets talk about disappearances for instance.
In the years 1591 an entire colony of American settlers disappeared. The leader of the colony had returned to England to bring back more supplies for the winter. When he had returned everyone was gone. Although there was an island not far from the settlement with the same name none of the people were ever found. Another case would be the disappearance of Amelia Earhart.