In a small fire, a V-shaped burn mark may pinpoint where a fire began, but during post-flashover these patterns can occur repeatedly, when various objects ignite.

NEWYORKER: Trial by Fire

But Hurst concluded that it was a natural product of the dynamics of fire during post-flashover.

NEWYORKER: Trial by Fire

Court testimony from witnesses confirmed that there had been a grill, along with a container of lighter fluid, and that both had burned when the fire roared onto the porch during post-flashover.

NEWYORKER: Trial by Fire