The trial of Coventry man Anxiang Du is reaching its conclusion, as the jury is set to consider its verdict today.
The defendant denies murdering the Ding family in Northampton, where all four members were found stabbed to death at their home in Wooton in 2011.
A jury's been told that a man accused of murdering a Northampton family is unlikely to have been "severely depressed".
Psychiatrist Dr Phillip Joseph, for the prosecution, said Anxiang Du had not "given up the fight", and had been able to work and visit casinos in the months before the killings.
The defence argue Du would never have killed if he'd not been depressed.
The 54-year-old from Coventry denies murder, but admits killing the Ding family in April 2011.
Anxiang Du trial: Defence crossexamines psychiatrist Dr Phillip Joseph. Agrees Du experiencing "some depressive symptoms" on day of killings
Joseph says symptoms Du describes after death of his father aged 16, "classic bereavement" rather than depression
Jurors in the case of Anxiang Du at Northampton Crown Court have begun hearing evidence for the Defence.
The 8 women and 4 men have been told details of the long running legal battle which ran for ten years between Anxiang Du, his wife Can Chen and Jeff and Helen Ding.
The first witness called by Rebecca Trowler QC was Mr Anthony Keating who'd been the solicitor for Anxiang Du and Can Chen between 2004-2010 during proceedings at the High Court.
A photograph of the knife allegedly used to kill a Northampton family has been released, after it was shown to the jury in the trial of Anxiang Du.
The 54-year-old from Coventry denies murdering four members of the Ding family at their home in Wootton in 2011.
The trial is due to resume on Monday, when the defence begins its case.