This Is the Zodiac Speaking

An overgrown field and a stretch of highway connect a series of grisly murders spanning several decades as grieving families search for answers.

Serial killer Jeffrey Dahmer confesses to his gruesome crimes in unguarded interviews, offering an unsettling view into a disturbed mind.

In this true-crime documentary, a cult expert and filmmaker infiltrate a polygamist sect to expose a self-proclaimed prophet and bring him to justice.

What happened to Mica Miller? This documentary series retraces her promising life, toxic marriage and the mysterious circumstances of her death.

Police missteps and a media circus derailed the JonBenét Ramsey murder case. This definitive docuseries chronicles the decades-long quest for justice.

Detectives and prosecutors revisit their most challenging homicide cases in this chilling true-crime docuseries.

Interviews with friends, family and Sally McNeil herself chart a bodybuilding couple’s rocky marriage — and its shocking end in a Valentine's Day murder.

Death row inmates convicted of capital murder give a firsthand account of their crimes in this documentary series.

Through bodycam footage, texts and interviews with loved ones, this documentary investigates the horrifying murder of four University of Idaho students.

Archive footage, chilling reenactments and exclusive interviews shed new light on a tragedy — and two brothers — that suspended a city in terror.

Follow documentarians Joshua Zeman and Rachel Mills as they investigate one of the most bizarre unsolved serial killer cases of our time – the deaths of ten sex workers discovered on Gilgo Beach, Long Island.

Robert Durst, scion of NY's billionaire real-estate family, has been accused of three murders but has evaded justice for over 30 years. Durst speaks in this true crime series, revealing secrets of a case that has baffled authorities.