I can understand the knife, but the flaming sock is over the top. They should throw the book at her.
She doused the house in gasoline, and left behind an ignition source. When gasoline vapors reach a critical density, you get ignition. Boom!
To be armed like this, she must be some kind of survivalist wacko, definitely right wing, probably Christian extremist militia, don't you think? Maybe even Amish.