Sickle.

Twelve year old Michael Hart is convicted of the murder of a babysitter, despite his claims that a "monster did it." Upon his release, the monster returns and the bodies are piling up. Is it the grim reaper? Is it the Mothman? Whatever it is, it's a killing force and Michael must prove its existence to clear his name but must also face the darker side of humanity. What is SICKLE and can it be killed? Michael Hart will find out if it kills him.