Videos of Dwyer stabbing Elaine are shown in court
Images of violence against and mutilation of women were downloaded onto a laptop in Graham Dwyer's home the night before he was arrested for the murder of Elaine O'Hara, the Central Criminal Court has heard.
The murder trial of the Cork born architect, who denies stabbing Ms O'Hara to death for his own sexual gratification, heard that a large number of documents had been accessed on October 16, 2013 - the day before Mr Dwyer's arrest and could be consistent with some kind of automated scan run by the computer.
Day 33 of the trial saw the courtroom cleared for a third time as videos of Mr Dwyer stabbing or attempting to stab several women during sex - including three involving Elaine O'Hara - were shown to the jury.
The jury of seven men and five women were told by trial Judge Mr Justice Tony Hunt that this is a difficult case but that the Constitution did not make exceptions for difficult cases.
Read more here: What was in the videos shown to the jury?
The judge implored the jury to rise above the material "to a certain extent" and informed them that they must put aside the feelings and emotions that may arise by virtue of the issues and the contents of the videos he deemed too obscene for the general public to view.
The videos, the trial has heard, were recovered by gardaí from an external hard drive from the accused's Kerrymount Close, Foxrock home.
The first two videos showed Mr Dwyer alone, "pretend" stabbing himself with a retractable knife, according to his defence barrister Ronan Kennedy. In the second, he speaks directly to the camera, explaining that he has just woken up after knocking himself out with chloroform.
Visibly disorientated, Mr Dwyer tells the camera that he could remember little of what happened and could hear a loud, pounding noise in his head. The remaining nine clips showed Mr Dwyer with Ms O'Hara or one of the two other women whose identity was obscured by photo pixilation.
In several of the clips the women - including Ms O'Hara - are heard screaming and sobbing as Mr Dwyer stabs or cuts them with a knife during sex.
The trial has heard that Ms O'Hara was last seen in Shanganagh, South Dublin on the evening of August 22, 2012, hours after she was discharged from a mental health hospital.
A cause of death could not be determined when her skeletal remains were discovered at Killakee in the Dublin Mountains on September 13 the following year.
Yesterday Detective Garda Brid Wallace of the gardai's Computer Crime Investigation Unit (CCIU) told prosecutor Sean Guerin SC that investigators found 38 movie files in unallocated space on a hard drive when giving evidence about material found on an external hard drive at Mr Dwyer's home.
This, she told the court, meant the files had been deleted from the drive but could still be recovered.
Two of the files were self made videos of Mr Dwyer and there were 35 in which women were present, she said.
Det Wallace also described traces of documents investigators found on a hard drive from a computer from Mr Dwyer's workplace.
In one document, an account is given of a man pretending to be a building inspector for a landlord at rented premises where a woman lives. The man, in the account, checks his 'equipment' he says includes rope, chloroform, a plastic bag, flick knife and a fake clipboard. Another document details a story about a woman being dragged into a cave and later stabbed to death.
Members of Ms O'Hara's family, who have attended court each day, left courtroom 13 after the prosecution led evidence of text messages between Ms O'Hara's iPhone and an 083 number, which the prosecution says, was used by Mr Dwyer.
Mr Dwyer's father Sean Dwyer, who has attended every day of the trial, was not in attendance for the video material.
The trial continues.
Read more here: Jury shown videos of Dwyer stabbing Elaine