Henry: Portrait of a Serial Killer (1986) stands as one of the most unsettling and influential independent films in the crime-horror genre. Directed with stark realism by John McNaughton, the film presents a chilling, fictionalized account of serial killer Henry Lee Lucas. The plot follows Henry as he arrives in Chicago and moves in with his ex-con acquaintance, Otis. What begins as a simple reunion quickly descends into a terrifying mentorship, as Henry begins schooling the impressionable Otis in the cold, methodical ways of a serial killer.

The film's power lies in its unflinching, documentary-like approach. Michael Rooker delivers a career-defining performance as Henry, portraying him not as a charismatic monster, but as a disturbingly mundane and vacant individual. His chilling detachment from his horrific acts is more terrifying than any overt display of madness. Tom Towles is equally compelling as the weak-willed and increasingly corrupted Otis, whose descent into violence is both horrifying and pitiable.

McNaughton's direction avoids sensationalism, opting instead for a grim, matter-of-fact tone that makes the violence feel all the more real and impactful. The film's low-budget aesthetic and gritty cinematography contribute to its raw, authentic feel. Viewers should watch Henry: Portrait of a Serial Killer not for cheap thrills, but for its brutal psychological examination of evil and its groundbreaking approach to the true-crime narrative. It's a difficult, essential film that continues to provoke and disturb decades after its release.