Zack Coughlan Murder Trial Opens at Bristol Crown Court
As reported by bbc.com, the prosecution characterized the actions of a university student who ambushed his housemate and inflicted 30 stab wounds as a deliberate and icy assassination. Zack Coughlan, 23, dressed in black and wore a mask to ambush 21-year-old Jamie Collins in the garden of their home in Filton, near Bristol, on 8 April. Coughlan accepts that he killed Collins but denies murder, claiming he lost self-control due to statements Collins made in the days leading up to the attack.
CCTV, Bike Disposal, and Police Call
He bought a change of clothes, threw his bloodstained garments into a pond, and dumped the bicycle. Coughlan returned to their shared home on Cleve Road at approximately 21:00. He then cooked a pizza, played online games with friends, and waited roughly eight hours before calling 999 at 2:00 am, the prosecution stated. During the emergency call, Coughlan sobbed and told call handlers that his friend had been stabbed, while following instructions to perform CPR until paramedics arrived.
Police Investigation and Witness Status
Armed police officers arrived at the scene and found Collins’s body in the back garden. Coughlan initially spoke to officers as a witness, telling them he had been out at a park and returned to find the back gate open and Collins lying in the garden. He even showed police CCTV footage installed at the property that captured the attack.
Investigators subsequently found Coughlan’s blood on the victim’s bike, and mobile phone analysis matched his movements to CCTV recordings of the killer fleeing the scene. Coughlan sustained hand injuries, which he initially attributed to climbing trees earlier in the evening. As physical evidence mounted, his status shifted from witness to suspect.
Motive and Trial Proceedings
Prosecutor Adam Vaitilingam KC told the jury that the two men had previously experienced minor disagreements regarding rent payments and whether Coughlan was charging too much, but those issues had been resolved. Friends were unaware of any significant ongoing problems between the pair.
Vaitilingam told the court that the defense argues Coughlan lost control because of comments Collins made over preceding days and weeks that made him fear for his life. The prosecution countered that Coughlan acted with clear control and calculation.
Relatives of Collins portrayed him as a modest, gentle, kind, and intelligent young man who possessed a boundless future. The trial at Bristol Crown Court continues.

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