Cormac O’Keeffe catalogues the painstaking policing and investigative work, as well as the chance discoveries, that contributed to the conviction of Graham Dwyer for the murder of Elaine O’Hara. (This article was originally published in March 2015)

The jurors in the trial of Graham Dwyer have been assured their identities will not be published, following a query from the jury foreman about the publication of his name.

A jury continues its deliberations in the trial of Graham Dwyer, charged with murdering Elaine O’Hara.

Hours before she was last seen alive, Elaine O’Hara is alleged to have texted the man the State claims was Graham Dwyer to tell him she was scared of him and knew her life was in his hands every time they met.

The Graham Dwyer murder trial is hearing evidence about two secret phones he is alleged to have used to contact Elaine O'Hara.

The Graham Dwyer trial yesterday heard from two men who met Elaine O’Hara through a website catering for alternative sexual tastes. The murder trial jury also saw Ms O’Hara’s profile page from that website, in which she said she hoped to meet someone caring.

The Graham Dwyer trial has heard from two men, who met Elaine O’Hara through a website that caters for alternative sexual tastes.

Murder accused’s son also asked to identify people in stills of CCTV footage, jury hears

The Graham Dwyer trial has heard that gardaí showed his adult son CCTV stills from Elaine O’Hara’s apartment block to see whether he could identify anyone in the footage.

Bondage cuffs, chains, knives, a leather mask, rope, a ball gag, a blindfold, and the keys to Elaine O’Hara’s home were found in a lake.

The jury in the Elaine O’Hara murder trial was shown a photograph of a punctured and bloodstained mattress, which gardaí found following the discovery of her remains in September 2013.

The jury in the Graham Dwyer trial has seen a photograph of Elaine O’Hara’s punctured and blood-stained mattress, which Gardaí found following the discovery of her remains in September 2013.

A document about a ‘slave’ lifestyle for women, and two large metal chains were found in Elaine O’Hara’s home shortly after her disappearance in August 2012, the jury in the Graham Dwyer trial has heard.

The jury in the Graham Dwyer trial has heard that a document about a "slave" lifestyle for women, and two large metal chains were found in Elaine O’Hara’s home shortly after her disappearance in August 2012.

A successful architect with an alleged deep-rooted sexual desire to stab women almost carried out the perfect murder but for an unusually hot summer which revealed breakthrough evidence thrown into a reservoir, it has been claimed.

The case for the prosecution of Graham Dwyer for the murder of Elaine O’Hara opened with three men standing on a bridge.

The trial of a 42-year-old architect charged with murdering Elaine O’Hara has been told he killed her for his own sexual gratification, following an unusual sexual relationship between them, which involved stabbing.

Three major treatment plants which provide water to more than half a million people need to be modernised to secure supplies, environmental experts have warned.

THREE major treatment plants which provide water to more than 500,000 people need to be modernised to secure supplies, environmental experts warn.