The arrival of two detectives with very different backgrounds reinvigorates the search for Seamus Ruddy. As the new investigators search the darkest corners for information, they do it with a set of forensics skills never before seen in Ireland.

The Ruddy family hold on to hope of finally ending their long nightmare, and a new source of information could prove to be the key. But there will be many false dawns, before what could be their final chance to bring Seamus home.

Presented by John Sweetman

Created by Darren Cleary

Episode Written by Eoin Brennan

Produced by Siobhan Walsh

Produced by Siobhan Maguire

Executive Produced by Eoin Brennan

Executive Produced by Ruth Fitzsimons

Sound Design and Editing by Neil Kavanagh

Audio Editing Support by Ed Smith

Marketing Support by Bríd Walsh and Róisín Reilly

Social Support by Mark Hayes and Robyn Ree

Artwork and Graphics by Eric Rowntree

We now have an instagram page, you can follow the podcast here: https://www.instagram.com/linesofenquirypodcast/

In May of 1985, Seamus Ruddy went to meet three men in Paris. They were men he knew from a past life, in Ireland. Seamus had left that life behind, to start a new one in the French capital. His family had asked him not to go to the meeting, but Seamus had been assured he would be safe.

He was never seen again after that night, and his disappearance would lead to a search spanning decades. The Ruddy family refused to give up their hunt for answers, facing down intimidation and holding out hope even against the most insurmountable odds.

This story would eventually join others, as the Ruddy family realised they were not the only ones searching for their missing loved ones, and pushing for answers from a dark period in Irish history. Seamus was eventually considered one of The Disappeared, the group of people suspected of being kidnapped, killed and secretly buried by Republican paramilitary groups during The Troubles.

Presented by John Sweetman

Created by Darren Cleary

Episode Written by Eoin Brennan

Produced by Siobhan Walsh

Produced by Siobhan Maguire

Executive Produced by Eoin Brennan

Executive Produced by Ruth Fitzsimons

Sound Design and Editing by Neil Kavanagh

Audio Editing Support by Ed Smith

Marketing Support by Bríd Walsh and Róisín Reilly

Social Support by Mark Hayes and Robyn Ree

Artwork and Graphics by Eric Rowntree

We now have an instagram page, you can follow the podcast here: https://www.instagram.com/linesofenquirypodcast/

Jastine Valdez was abducted in broad daylight on a rural road in Enniskerry, Co Wicklow, in May 2018.  The 24-year-old had just stepped off a bus that dropped her only a few minutes’ walk from her home.  Just moments later, a woman driving along that quiet country road spotted a man seemingly trying to force a young woman into his car.

What followed was a frantic garda manhunt, as they realised Jastine had been abducted in broad daylight – but without any idea who may have done it, or why. What was to follow would be a tragic, terrifying case that would shock all of Ireland.

In this episode of Lines of Enquiry, John Sweetman takes us through that frenetic investigation by gardai moments, and their efforts to seek justice for Jastine, and her family in Ireland and the Philippines.

Presented by John Sweetman

Created by Darren Cleary

Episode Written by John Sweetman

Script Edited by Eoin Brennan

Produced by Siobhan Walsh

Produced by Siobhan Maguire

Executive Produced by Eoin Brennan

Executive Produced by Ruth Fitzsimons

Sound Design and Editing by Neil Kavanagh

Audio Editing Support by Ed Smith

Marketing Support by Bríd Walsh and Róisín Reilly

Social Support by Mark Hayes and Robyn Ree

Artwork and Graphics by Eric Rowntree

In this, Lines of Enquiry’s inaugural ‘Case Notes’, John Sweetman introduces a new strand of his hit true crime podcast series. Stepping away from any one specific case in detail and instead revisiting past investigations and responding to listener questions, John takes us behind the scenes of Lines of Enquiry.

This first episode of ‘Case Notes' is also the last in Season 1 of Lines of Enquiry. Reflecting on his first season, John is in conversation with Darren Cleary, creator of Lines of Enquiry and Head of Digital Audio at Bauer Media, who hears all about Season 2, which goes out on January 6th, 2026, with further 'Case Notes' also on the way.

Remember, you can contact the show at [email protected] 

When Anne O'Sullivan was diagnosed with terminal cancer, tensions within her family about who would inherit her substantial plot of farm land came to the surface.

Soon, Anne would find herself awake before dawn, running through fields and ditches to a neighbour's house to get help as a terrible darkness descended on the family farm.

This is a tragic story that saw a family torn apart as their home became consumed by fear and threats of violence towards Anne and her eldest son, Mark. Those rising tensions would lead to the most unfathomable and shocking moment of hatred and rage.

In this episode of Lines of Enquiry, John tracks the descent into violence and revisits his case notes on the letters that proved crucial to any understanding of events of that tragic day.

Presented by John Sweetman

Created by Darren Cleary

Episode Written by Eoin Brennan

Script Edited by John Sweetman

Research by Siobhan Maguire & Eoin Brennan

Executive Produced by Eoin Brennan

Executive Produced by Ruth Fitzsimons

Produced by Siobhan Walsh

Produced by Siobhan Maguire

Sound Design and Editing by Neil Kavanagh

Audio Editing Support by Ed Smith

Marketing Support by Bríd Walsh and Róisín Reilly

Social Support by Mark Hayes and Robyn Ree

Artwork and Graphics by Eric Rowntree

On St Patrick’s weekend 2024, 23-year-old Kelly Lynch travelled from her home in Armagh to Monaghan to support her boyfriend after a sudden death in his family. Two nights later, on the walk home from the pub in the town, on the Friday night of a busy bank holiday, Kelly disappeared.

She was found in the Ulster Canal on the Sunday morning. Gardaí said Kelly had drowned and quickly confirmed they were not treating her death as suspicious. But as the details emerged, her family were left with devastating questions.

In this episode of Lines of Enquiry, John Sweetman follows Kelly’s final movements, the contradictions at the heart of the investigation, and the campaign led by a family desperate for answers.

Presented by John Sweetman

Created by Darren Cleary

Episode Written by Darren Cleary

Script Edited by Eoin Brennan

Produced by Siobhan Walsh

Produced by Siobhan Maguire

Executive Produced by Eoin Brennan

Executive Produced by Ruth Fitzsimons

Sound Design and Editing by Neil Kavanagh

Audio Editing Support by Ed Smith

Marketing Support by Bríd Walsh and Róisín Reilly

Social Support by Mark Hayes and Robyn Ree

Artwork and Graphics by Eric Rowntree

The prime suspect walks free for the murder of Nora Sheehan after the death of the pathologist left the DPP's case unable to proceed to trial. 

In this second chapter of a two-part investigation, John Sweetman looks at how four decades after Nora Sheehan’s disappearance and death in 1981, advances in forensic technology breathed new life into a long-dormant investigation. 

 In this episode, we explore how preserved evidence from fibres and paint fragments to a partial DNA profile was re-examined by investigators as as long-preserved traces ignite a renewed hunt for answers.

Presented by John Sweetman
Created by Darren Cleary
Episode Written by Darren Cleary
Script Edited by Eoin Brennan
Executive Produced by Eoin Brennan
Executive Produced by Ruth Fitzsimons
Produced by Siobhan Walsh
Produced by Siobhan Maguire
Sound Design and Editing by Neil Kavanagh
Audio Editing Support by Ed Smith
Marketing Support by Bríd Walsh and Róisín Reilly
Social Support by Mark Hayes and Robyn Ree
Artwork and Graphics by Eric Rowntree

In June 1981, Nora Sheehan left the South Infirmary Hospital in Cork and disappeared into the night. In the hours that followed, she was seen by witnesses walking alone after midnight, a familiar figure on dark roads and quiet streets.

Days later, her battered body was discovered dumped in woodland far from the city. Her murder shocked Cork and marked the beginning of a case that would stretch across generations.

In this opening chapter of a two-part investigation, John Sweetman reconstructs Nora’s final movements, the witness sightings after midnight, and the immediate aftermath of her disappearance. What emerges is the story of a vulnerable woman who vanished in plain sight and a killing that would become one of Ireland’s longest-running cold cases.

Presented by John Sweetman

Created by Darren Cleary

Episode Written by Darren Cleary

Script Edited by Eoin Brennan

Executive Produced by Eoin Brennan

Executive Produced by Ruth Fitzsimons

Produced by Siobhan Walsh

Produced by Siobhan Maguire

Sound Design and Editing by Neil Kavanagh

Audio Editing Support by Ed Smith

Marketing Support by Bríd Walsh and Róisín Reilly

Social Support by Mark Hayes and Robyn Ree

Artwork and Graphics by Eric Rowntree

The Walsh house in rural Connemara is quiet by 4am on the 22nd of June 1985. Earlier in the night it was full of people celebrating the brief return of two family members who had emigrated. But now the friends, neighbours and even the local Gardaí who had attended the party have all dispersed. So, when 14 year old Jacquie Walsh wakes up in the middle of the night the only person she sees is her mother, 33 year old Barbara asleep on the couch. Jacquie tries to wake her but when she does not stir, Jacquie places a pillow beneath her head and drapes a blanket around her before heading to bed. Barbara Walsh was never seen again.

For years, her family were told that the young mother of 7 must have wandered off – Despite not having a car and living over 50 miles away from Galway city.

In this episode, former Garda forensic detective John Sweetman goes back to 1985 and examines the original investigation, the new leads for the cold case team and asks where is Barbara Walsh?

 Presented by John Sweetman

Created by Darren Cleary

Episode Written by Siobhan Walsh

Script Edited by Eoin Brennan

Executive Produced by Eoin Brennan

Executive Produced by Ruth Fitzsimons

Produced by Siobhan Walsh

Assistant Produced by Siobhan Maguire

Sound Design and Editing by Neil Kavanagh

Audio Editing support by Ed Smith

Marketing support by Bríd Walsh and Roisin Reilly

Social support by Mark Hayes and Robyn Ree

Artwork and graphics by Eric Rowntree

Gardaí are called to a house in north Dublin, where they make a grim discovery. 72-year-old Marie Dillon has been found murdered in a violent attack inside her home.

As investigations begin, it becomes clear there are no suspects and no obvious clues.

In this episode of Lines of Enquiry, John Sweetman revisits the case that brought him face to face with his first murder scene at just 26 years of age, in his early days training to become a forensic fingerprint expert.

Presented by John Sweetman 

Created by Darren Cleary 

Episode Written by John Sweetman

Script Edited by Eoin Brennan 

Executive Produced by Eoin Brennan 

Executive Produced by Ruth Fitzsimons 

Produced by Siobhan Walsh and Siobhan Maguire 

Sound Design and Editing by Neil Kavanagh 

Audio Editing support by Ed Smith 

Marketing support by Bríd Walsh and Roisin Reilly 

Social support by Mark Hayes and Robyn Ree 

Artwork and graphics by Eric Rowntree

Video by Ger Walsh