Where Is Marta?

A four-part documentary series revolving around the case of single mother Barbara Hamburg, who was brutally murdered in 2010 near her home in the upper-middle class enclave of Madison, Connecticut. The series presents first-time filmmaker Madison Hamburg’s complicated journey as a young man determined to solve an unspeakable crime and absolve the people he loves, while looking for answers within his fractured family and community.

This true-crime series investigates the 1998 disappearance of a 23-year-old woman from a Caribbean cruise and her family's tireless search for answers.

A shocking murder in rural Ireland sets off an increasingly convoluted quest for justice that spans decades and cuts across national borders.

Mark Williams-Thomas returns to ITV for an explosive and ground-breaking new investigative series that shows how real life crime can be far more compelling than fiction. The murder of Carole Packman, whose body has never been found, continues to affect the lives of many of those involved and as Williams-Thomas discovers, the shocking tale of murder, fraud, deceit and lies has left family members desperate for answers. In a UK television first, The Investigator: A British Crime Story, will follow the case over four explosive episodes, combining stylized drama with compelling documentary.

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

Documentary series on the circumstances surrounding the death of María Marta García Belsunce, one of the most controversial criminal cases in Argentina.

Nearing the 15th anniversary of Laci Peterson's disappearance, A&E Networks takes a fresh look at the case. A definitive factual account by those who lived and breathed it every day.

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.

This documentary series explores the 1960 brutal murders of three women in Starved Rock State Park in LaSalle County, Illinois, and the decades of questions and doubts that have haunted the son of the prosecutor in the case, as the man found guilty seeks to clear his name after sixty years in prison.

Crime journalist Raphael Rowe goes behind the bars of some of the world’s most notorious and toughest prisons. Immersing himself in maximum security facilities around the world to live as a prisoner, he encounters the inmates locked up for their crimes and meets the men and women on the right side of law tasked with keeping the criminals behind bars.

Heinous criminals have avoided capture despite massive rewards and global investigations. This docuseries profiles some of the world’s most wanted.

Investigative journalist David Holthouse attempts to solve a bizarre twenty-five year old triple homicide that was said to be the work of a mythical creature.

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.

Revisit the shocking 1999 murder of beloved TV presenter Jill Dando, which continues to mystify experts and the public, in this in-depth documentary.

When Esther vanishes without a trace, her family is able to piece together her last movements thanks to José Jurado Montilla, a traveler who journeys across Spain sharing heartfelt videos of his trips on his TikTok account. But “Dynamite” Montilla – the last person to have been with Esther – hides a dark past

A six-part, true crime docuseries about a mysterious murder of Ken Rex McElro that took place in the ‘80s with at least 60 witnesses present, all of whom deny seeing anything.

This docuseries explores the period between 1979 and 1981 when at least 30 African-American children and young adults disappeared or were murdered in Atlanta, Georgia.

This docuseries examines the decades-old murder of Sister Catherine Cesnik and its suspected link to a priest accused of abuse.

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

Dateline NBC, or simply Dateline, is a weekly American television newsmagazine series. It was previously the network's flagship newsmagazine, but now focuses mainly on true crime stories with only occasional editions that focus on other topics.