Methodic (2007)

A sinister entity called "The Dollman" drives a young boy to commit the shocking act of murdering his parents. Confined to a mental hospital for life, the boy becomes a subject of constant scrutiny. Meanwhile, "The Dollman" lurks within him, patiently waiting for the opportunity to fully seize control. As the boy's strength grows, so does the malevolent presence's influence, setting the stage for a chilling confrontation between the innocent child and the dark force that seeks to dominate him and break free from captivity.