Henry: Portrait of a Serial Killer (1986) stands as one of the most unsettling and brutally realistic crime dramas ever made. Directed by John McNaughton, this low-budget independent film presents a chilling character study loosely based on the confessions of serial killer Henry Lee Lucas. The plot follows Henry (Michael Rooker), who arrives in Chicago and moves in with his ex-con acquaintance Otis (Tom Towles). What begins as a simple living arrangement quickly descends into horror as Henry begins schooling Otis in the methods and mindset of a serial killer.

Michael Rooker delivers a career-defining performance as Henry, creating a character who is both terrifyingly ordinary and profoundly disturbing. His matter-of-fact approach to violence makes the film's horrific content even more impactful. Tom Towles equally impresses as the weak-willed Otis, whose gradual corruption under Henry's influence provides the film's moral center. The raw, documentary-style direction by McNaughton enhances the film's sense of grim reality, refusing to glamorize or sensationalize the violence.

Viewers should watch Henry: Portrait of a Serial Killer for its uncompromising examination of evil and its groundbreaking approach to the true crime genre. Unlike more polished Hollywood thrillers, this film presents violence with clinical detachment, making it all the more disturbing. The film's power lies in its refusal to provide easy explanations or moral lessons, instead forcing viewers to confront the banality of evil. While certainly not for the faint of heart, this remains an essential viewing experience for those interested in psychologically complex horror and crime cinema that challenges rather than entertains.