Zack Coughlan

Introduction

Zack Coughlan, 23, a university student from Filton, Bristol, was sentenced to life imprisonment with a minimum term of 28 years for the murder of his housemate, Jamie Collins, 21, in a planned knife attack at the house they shared. Coughlan waited in an alleyway behind the property dressed in black, wearing a mask and armed with a large knife, then stabbed Collins approximately 30 times as he returned home from university and fled on Collins’s own bicycle. He admitted the killing from the outset but denied murder on the grounds of lost self-control — a claim the jury’s trial schedule never tested, because he pleaded guilty seven days in.

Background Information

Coughlan and Collins shared a house in Filton, near Bristol, and were both students in the city; Collins was killed on April 8, 2026, as he came home from university. Coughlan had armed himself with a large knife and waited roughly twenty minutes outside the address before the attack, prosecutors proved at trial. After the stabbing he fled the scene on Jamie’s bicycle, beginning a cover-up that included discarded clothing, fabricated accounts to police and a story of lost self-control that the CPS dismantled with phone data, CCTV and DNA evidence.

The Controversy or Incident That Led to Their Cancellation

Convicted of murder; life with a minimum term of 28 years. Coughlan admitted the killing but sought to avoid a murder conviction by claiming loss of self-control; he abandoned that defence with a guilty plea seven days into his trial.

On April 8, 2026, Coughlan waited in an alleyway behind the Filton house, dressed in black, wearing a mask, and armed with a large knife. As Jamie Collins returned home from university, Coughlan attacked him and stabbed him approximately 30 times, then fled the scene on Jamie’s bicycle. The CPS said the evidence showed a carefully planned and cold-blooded execution rather than the sudden loss of control Coughlan claimed — prosecutors established at trial that he had waited outside the address for twenty minutes before carrying out the attack.

When police questioned him, Coughlan said he had spent the afternoon climbing trees and injured himself in a fall. He said he had bought a change of clothes, cooked a meal and played online games with friends, before finding Jamie’s body in the garden and calling the police. The CPS worked with Avon and Somerset Police to expose the account as false: investigators recovered Jamie’s abandoned bicycle, which had Coughlan’s blood on it; phone location data for Coughlan matched CCTV footage of the attacker fleeing the scene; and clothing Coughlan had discarded in a pond near the University of the West of England campus was recovered, with DNA analysis confirming it was the clothing worn during the attack.

Faced with that evidence, Coughlan admitted he had killed Jamie but initially denied murder, claiming he had lost control after things Jamie had said to him in the months before the attack. Seven days into his trial at Bristol Crown Court, he changed his plea to guilty. He was convicted of murder on October 20, 2026, and sentenced the following day to life imprisonment with a minimum term of 28 years.

Public Reaction and Consequences

Jennie Hopson-Hill, for the Crown Prosecution Service, said after sentencing: “Coughlan initially denied the killing, and constructed an elaborate account to cover up what he had done.” She said he “claimed he had lost control after things that Jamie had said to him in the months before the attack,” but “the evidence told a very different story – that Coughlan had carried out a carefully planned and cold-blooded execution.” “There is no evidence Jamie did anything to provoke this violence, and sadly only Coughlan will know why he chose to murder Jamie that day,” Hopson-Hill said, adding that Jamie’s family and friends had shown “extraordinary courage” through the investigation and trial, “sitting through Coughlan’s lies and seeing footage that no one should ever have to witness.”

The CPS said it hoped the sentence gave Collins’s family “some sense that justice has been done” as they continue to live with his loss. The case was published as a national press release by the CPS given the planning evidence and the abandoned loss-of-control defence.

Current Status

Coughlan, 23, is serving a life sentence and will not be considered for release until he has served at least 28 years. The murder conviction followed his mid-trial guilty plea in October 2026, and the twenty-minute wait outside the house — proved by the prosecution and accepted on plea — remains the central fact separating this case from the sudden-loss-of-control story he first told. No appeal was announced in the sentencing coverage.

Impact on Their Career/Life

Coughlan’s university years ended in a life sentence with one of the higher minimum terms imposed for a young defendant in the region that year, and a conviction that will keep him in prison into his 50s at minimum. The planned nature of the attack — the mask, the alleyway, the twenty-minute wait, the victim’s own bicycle as getaway — became the documented record against which any future parole application will be tested, and the CPS’s publication of the evidence trail fixed the account of the killing permanently in the public record.

Sources

• “Bristol student jailed for life for murdering housemate in planned knife attack” — Crown Prosecution Service, Oct. 21, 2026 source