A antheral who killed his housemate successful Cardiff connected Christmas Eve had antecedently told him he'd thought astir murdering him, a tribunal has heard.
Dylan Thomas, 24, has pleaded blameworthy to the manslaughter of William Bush, 24, successful December 2023, but denies murder.
Cardiff Crown Court heard that the brace had met astatine schoolhouse astatine Christ College successful Brecon and had been friends since.
Mr Bush was fashionable but "Dylan Thomas had fewer friends and was viewed arsenic thing of a loner,” said Gregory Bull KC, prosecuting, adding his "only existent person was the deceased".
The tribunal heard that the brace lived unneurotic astatine a location successful Chapel Street, Llandaff.
The "dynamics" of their adjacent relationship began to alteration erstwhile Mr Bush got a woman and was readying to determination successful with her.
In precocious October, Mr Bush had told his woman Ella Jeffries that helium had barricaded himself into his chamber 1 evening aft a treatment with Mr Thomas.
The tribunal was told that Mr Thomas had told Mr Bush: "I thought and wondered astir sidesplitting you. I conscionable wanted to spot what would hap if I bash definite things."
Mr Bush told his woman it had near him feeling scared.
On 23 December, Mr Thomas went to enactment with his grandma successful Rhoose, Vale of Glamorgan.
Mr Bush had planned to walk that evening with his woman and past Christmas with his household successful Brecon.
At his grandmother’s house, Mr Thomas seemed unsettled, the tribunal was told.
Mr Bull said astatine 00:36 connected Christmas Eve, Mr Thomas carried retired a hunt connected his machine for the “anatomy of the neck" and past astatine 02:42 helium sent Mr Bush a substance connection saying helium needed to spot him earlier helium went to Brecon for Christmas.
Mr Bull said that indicated that Mr Thomas was formulating an volition to termination William Bush.
At 03:31, Mr Thomas tried to publication an Uber taxi to instrumentality him to Chapel Street, but was incapable to.
The pursuing greeting his grandmother, Sharon Burton, agreed to thrust Mr Thomas to Llandaff, due to the fact that helium said helium wanted to locomotion the dog.
On the journey, Mrs Burton described him becoming "more and much agitated" and was sending respective substance messages.
She parked extracurricular the spot portion Mr Thomas went in.
The prosecution accidental helium past equipped himself with 2 knives, 1 ample room knife, and different flick knife, and went up 2 flights of stairs to Mr Bush’s bedroom, wherever an onslaught began.
Mr Bush sustained a full of 37 stab wounds, which included 13 to the beforehand and broadside of his neck, 8 to the backmost of his neck, 7 to the beforehand of his trunk and 8 to the backmost of his trunk.
He besides suffered a slash to his face, a chopped to his receptor and 13 cuts to his near hand.
Mrs Burton, who has proceeding loss, past saw Mr Thomas banging connected her car model distressed.
"Passers-by heard screams of fearfulness coming from the address," said Mr Bull.
Mrs Burton past recovered a wounded Mr Bush connected the patio extracurricular the spot and she began to springiness him CPR.
The jury’s been shown constabulary assemblage worn camera footage successful which Mr Thomas, wearing a heavy humor stained top, told constabulary helium had been wounded and was acting successful self-defence.
The footage besides showed, Mr Thomas telling constabulary that Mr Bush was dormant and that helium disarmed him.
"This was a planned attack," said Mr Bull, "He deliberately equipped himself with knives and attacked him from behind."
Mr Bull told the assemblage that Mr Thomas is being treated for schizophrenia astatine Ashworth High Secure Hospital connected Merseyside, from wherever he’s appearing via videolink.
Mr Thomas denies execution and the proceedings continues.