Psychiatrists in the Watlington Woods murder trial told jurors they believed Daniel O’Hara Wright was insane when he killed his mother.

The 24-year-old Uxbridge man denies murdering mum Carole, 62, at the National Trust beauty spot near Christmas Common last October.

He is said to have subjected her to a brutal attack, removing her eyes and stamping on her, during a psychotic episode in which he believed he was a god and his mum the Old Testament she-devil Lilith.

The court has been told O’Hara Wright then fled the scene, drank from a pond, bit the head off a chicken, was struck by a car and told the terrified driver he’d ‘fallen from the sky’, then broke into a farmhouse.

Giving evidence to the jury at Oxford Crown Court on Wednesday, consultant psychiatrists instructed for both the defence and prosecution agreed that the former PC World employee was suffering from paranoid schizophrenia.

Jurors will have to decide whether or not they believe O’Hara Wright is not guilty of murder by reason of insanity.

READ MORE: Live updates from day 3 of 'murder' trial 

"He hits all the markers in terms of the insanity defence," prosecution expert Dr Cumming said.

Dr Kennedy, instructed by the defendant’s lawyers, said O’Hara Wright was one of the most psychotic people he had seen in 30 years of practice.

He told defence advocate Mark Graffius QC: "I have seen a lot of homicides, I have seen a lot of psychotic homicides. I have seen cases that border on insane, I have seen some cases where I have no doubt it was insanity and this falls into the [second] category."

The court heard O’Hara Wright reported to psychiatrists of having been a heavy user of cannabis. The day before his mother’s death, he had smoked 3g of the drug.

On the morning of the assault he smoked a ‘small amount’ of cannabis through a hollowed out potato.

However, both psychiatric experts agreed that the defendant’s psychotic episode last October was not drug-induced.

On the drive from the family home in Uxbridge to Christmas Common on October 23, the defendant was said to have felt ‘weird’.

During the walk, he believed his mother had turned into ‘the demon Lilith’.

Dr Cumming said: "He believed at the time his mother had become the devil and he had become God and he was 'smiting' the world from this evil woman.

"He said it wasn't him and at no point he had any thoughts about whether it was morally or legally wrong."

He was emotional about having killed his mother, the psychiatrists said, breaking down when he talked of her. He described her as having a ‘beautiful soul’.

Later, in Broadmoor secure psychiatric hospital in Dartmoor, he claimed to be Jesus and ‘knew things which others didn't and that would help save the NHS’.

The defendant told Dr Cumming of having seen 'hidden messages' in TV shows. "He would watch Star Trek and see hidden messages in there." Cartoon show Rick and Morty also 'had some significance to him'.

O’Hara Wright, of Regent Avenue, Uxbridge, denies murder. The trial continues.

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