Unknown Person
In 3 titles on Horrorometer
As Cast

For more than a decade, parents Andy and Vicky have been on the run, desperate to hide their daughter Charlie from a shadowy federal agency that wants to harness her unprecedented gift for creating fire into a weapon of mass destruction. Andy has taught Charlie how to defuse her power, which is triggered by anger or pain. But as Charlie turns 11, the fire becomes harder and harder to control. After an incident reveals the family's location, a mysterious operative is deployed to hunt down the family and seize Charlie once and for all. Charlie has other plans.
Firestarter

A young mother and her twin sons move into a rural house that's marked for death.
Sinister 2

One night per year, the government sanctions a 12-hour period in which citizens can commit any crime they wish -- including murder -- without fear of punishment or imprisonment. Leo, a sergeant who lost his son, plans a vigilante mission of revenge during the mayhem. However, instead of a death-dealing avenger, he becomes the unexpected protector of four innocent strangers who desperately need his help if they are to survive the night.