Quick Summary
Relatives begin to wonder whether the recent deaths of several elderly women in Dallas are linked. Their concerns prompt an investigation that leads police to identify one of the United States’ most prolific serial killers, responsible for the string of deaths.
About This Program ✦
“A Monster in the Halls” is a programme presented as a single episode, falling squarely within the episode genre. It centres on a chilling investigation that unfolds in Dallas, and the title hints at the dark presence that lurks behind a series of seemingly unrelated deaths. The story kicks off when relatives start to wonder whether the deaths of several elderly women scattered across the city are merely coincidences. Their suspicions grow as patterns emerge, prompting them to voice concerns to the authorities. The families’ unease becomes the catalyst that pushes the police to take a closer look at what initially appears to be isolated incidents. Once the investigation deepens, law enforcement uncovers a startling truth: the fatalities are linked to one of the most prolific serial killers in the United States. The revelation that a single offender is responsible for the string of murders across Dallas shifts the case from a local mystery to a national criminal profile. This discovery not only validates the families’ doubts but also places the killer among the most extensive serial murderers recorded in American history.
Pillowcase Murders broadcasts on Sky Crime HD at 9:00pm, Monday, 9 February 2026. (Subtitles, repeat)




