Unsolved Mysteries Tylenol Killer doc set for 9 October Roku Channel premiere

Unsolved Mysteries: Unmasking the Tylenol Killer will premiere on the Roku Channel on 9 October 2026, according to The Hollywood Reporter. Ada County Sheriff Matt Clifford said the joint effort with investigators aims to seek more tips and evidence. The office said it shared findings on Dr Mathew Francis Betkouski with Chicago police.