Lines of Enquiry

Lines of Enquiry

Former Garda detective John Sweetman presents Lines of Enquiry, a GoLoud Original true-crime podcast examining some of Ireland’s most compelling crimes, uncovering how evidence, chance, and persistence can bring answers, and sometimes only more questions.

Follow the podcast on Instagram: https://www.instagram.com/linesofenquirypodcast/

Contact: LinesOfEnquiry@goloudnow.com

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Riassunto dell'episodio

In this episode of 'Lines of Inquiry,' host John Sweetman investigates the 2015 disappearance of Karen Buckley in Glasgow. The investigation traces the trail from the discovery of her belongings to the identification of Alexander Pacteau, whose alibi was systematically dismantled by CCTV footage, digital evidence of chemical purchases, and forensic traces found in his home. The search culminated in the grim discovery of Karen's remains in a storage shed and Pacteau's eventual confession to killing her with a spanner. The episode explores the forensic breakthroughs that led to his arrest, the community's mourning, and the profound emotional aftermath for Karen's family.

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Momenti salienti

And there, in the grainy footage, was Karen leaving the club, not wearing her jacket, just as her friends had said.

00:08:33 · CCTV footage provides the first concrete evidence of Karen's movements after leaving the nightclub.

The items purchased were caustic soda and drain unblocker.

00:23:08 · Police discover that Pacteau had bought heavy-duty cleaning chemicals shortly after Karen went missing.

On Sunday morning at 8am, seven hours after Karen was last seen on CCTV and six hours after Pacto's car arrived home, he googled the properties of sodium hydroxide, better known as caustic soda.

00:44:15 · Digital evidence shows the suspect researching corrosive substances shortly after the disappearance.

Inside they found Karen's body Alexander Pacto was formally arrested for the murder of Karen Buckley.

00:51:58 · The search of the storage shed leads to the grim discovery of the victim's remains.

My lady, the panel pleads guilty to the charge on the indictment, he said.

01:04:15 · This marks the pivotal moment when Pacto's defense lawyer officially entered the guilty plea.

Episodi

51-

Karen Buckley: A Fateful Encounter

In this episode of 'Lines of Inquiry,' host John Sweetman investigates the 2015 disappearance of Karen Buckley in Glasgow. The investigation traces the trail from the discovery of her belongings to the identification of Alexander Pacteau, whose alibi was systematically dismantled by CCTV footage, digital evidence of chemical purchases, and forensic traces found in his home. The search culminated in the grim discovery of Karen's remains in a storage shed and Pacteau's eventual confession to killing her with a spanner. The episode explores the forensic breakthroughs that led to his arrest, the community's mourning, and the profound emotional aftermath for Karen's family.

21 Lug 2026
50-

Case Notes #013: What Comes Next

In this episode of Case Notes, John Sweetman and Darren Cleary reflect on the highlights of season three of Lines of Inquiry, specifically discussing the Elaine O'Hara and Patricia O'Connor cases. They discuss the importance of investigative persistence, the challenges of producing a professional true crime podcast, and the mission to keep missing persons' stories alive. The speakers also address the challenges of investigating cold cases where forensic evidence is lacking, emphasizing the importance of keeping these stories alive to encourage new leads. Additionally, they provide updates on upcoming projects, including a new documentary box set about a disturbing 1970s Dublin murder case and the first episode featuring the murder of Karen Buckley.

20 Lug 2026
49-

Case Notes #012: Kelly Lynch Peer Review

16 Lug 2026
48-

Case Notes #011: Fingerprints and Forensics

14 Lug 2026
47-

Case Notes #010: Crisis Negotiation

07 Lug 2026