Lambeth Man Convicted of Manslaughter in Retrial Over Cowardly Stabbing
A Lambeth man has been found guilty of manslaughter following a retrial in the case of a "cowardly" and "senseless" stabbing that claimed the life of an innocent lifeguard. Jason Curtis, 24, was initially convicted of murder alongside Kaydon Prior, 25, for the killing of Harrison Tomkins in August 2023, but successfully appealed his murder conviction.
Jealousy-Fueled Attack Leads to Tragedy
The horrific incident unfolded in the early hours of August 13, 2023, after Curtis and Prior returned from a birthday night out in Chelsea. Upon learning that Prior's ex-girlfriend was out in Crawley town center with another man, the pair embarked on a fateful mission. CCTV footage captured them searching for her outside Medusa cocktail bar around 3am before taking a taxi to her flat on Arthur Road.
After gaining access to the building's communal area and hearing voices inside the property, Prior traveled to his home on Hazelwick Road in Three Bridges. Prosecutors argued he retrieved house keys and a knife while Curtis remained as lookout. The two men then burst into the flat around 5:30am, where Prior repeatedly stabbed 25-year-old Harrison Tomkins as he lay defenseless in bed.
Appeal Results in Reduced Sentence
Harrison Tomkins died from his injuries at the scene. A police drone located Curtis hiding in bushes shortly after the brutal attack. When arrested, Curtis denied involvement, telling officers "Who's been murdered? I've been on a night out as it's my birthday."
Kaydon Prior was detained at his home on suspicion of murder and later sentenced to 28 years in prison. Curtis, of Lairdale Road, Lambeth, initially received a 22-year sentence for his role in the killing. However, he successfully appealed against his murder conviction and possession of an offensive weapon charge at Lewes Crown Court on March 20, 2026.
Judge Notes Lack of Remorse
The retrial resulted in Curtis being found guilty of manslaughter rather than murder. He will now serve nine years in prison, a significant reduction from his original sentence. Passing sentence, Judge Laing noted that Curtis had substantial time to reflect yet showed little remorse and no indication he had learned anything in the years since the attack.
"Harrison was caught asleep, with no time to react, or more importantly, be able to defend himself," the judge emphasized during sentencing.
Family's Heartbreaking Impact Statement
In a powerful victim impact statement, Harrison Tomkins' family told the court they believe the murder would not have occurred without Curtis' involvement. They described August 13, 2023, as "without question, the hardest day of our lives" and called the killing "a needless and unnecessary act."
The family stated: "The effect on all our family and friends has been disastrous. Nothing said or done can help justify the senseless loss of life of an innocent young man." They highlighted Harrison's character as someone who cared for others through his work in the prison service, teaching, special needs activity leadership, and as a K2 lifeguard.
"We believe that without Jason Curtis' proactive involvement in Harrison's murder, Kaydon Prior would not have been brave enough to go through with the murder," the family asserted. "The concept that Curtis had nothing to do with the murder is offensive in the extreme and making our family/friends go through the ordeal of this re-trial is beyond understanding."
Investigation and Closure
The family expressed gratitude to Sussex Police, the HEMS team who battled to save Harrison's life, and the Crown Prosecution Service for their support over the three-year ordeal. Detective Constable Elliott Lander of the Major Crime Team commented: "This has been a long and arduous journey for Harrison's family, and I hope they can take some closure now this case has finally concluded."
He added: "While I never got to meet Harrison, it is clear he was greatly loved by all who knew him. On behalf of Harrison and all his family and friends, I'd like to thank everyone who came forward and supported our investigation. We will never give up in our quest to seek justice for victims and their families."
The retrial verdict brings a measure of resolution to a case that has devastated multiple families and communities, though the reduced sentence for Curtis continues to weigh heavily on those who loved Harrison Tomkins.



