TMDb/My Brother's Killer Celebrity True crime doc My Brother's Killer uncovers a brutal 1990 murder, exposing systemic injustice against LA's queer community during the AIDS crisis. April 10, 2026 AceShowbiz - My Brother's Killer, directed by Rachel Mason, is a true crime documentary that initially appears to follow the familiar formula of cold case investigations: suspenseful twists, archival footage, expert interviews, and atmospheric music.