"Six Silent Killings" investigates the disappearances of six women in an area of Ireland that has since been dubbed "the Vanishing Triangle."
None of their bodies have ever been found and no suspect has ever been charged in connection with their disappearances.
The upcoming documentary, which premieres on Sky on Sunday, November 12, features interviews with Garda detectives who worked on the six high-profile cases in addition to interviews with friends and families of the six victims.
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Crime journalist Geraldine Niland takes viewers through each of the cases, while Irish forensic scientist David Kenny reveals a location where he believes some of the bodies are buried.
The suspected burial site, which is deep in the Wicklow Mountains, is located close to the home of Larry Murphy, a local man who was jailed in 2001 after being convicted of the kidnapping, rape, and attempted murder of a young woman from Carlow.
According to the Irish Mirror, Murphy is the chief suspect in the disappearance of JoJo Dullard and Deirdre Jacob and remains a person of interest in several other cases.
The upcoming documentary premieres 30 years after the disappearance of Irish American Annie McCarrick, the first disappearance in Ireland's so-called 'Vanishing Triangle.'
McCarrick, 27, was born in Long Island, New York, and vanished without a trace on March 26, 1993. She was last seen visiting an AIB branch in Sandymount, Dublin.
McCarrick's disappearance was treated as a missing person's case for decades before being upgraded to a murder inquiry shortly after the 30th anniversary of her disappearance earlier this year.