Jamie Williams, 24, of Chapel Street, Caernarfon, was sentenced to five years and seven months in prison at Mold Crown Court for a violent assault on his brother on April 18, 2026. Williams, who admitted to multiple firearm and assault charges, beat his sibling with a modified imitation firearm and threatened others who attempted to intervene during the attack.
During a search of the defendant’s grandmother’s house, police discovered a cache of weapons hidden beneath the floorboards, including an imitation firearm that had been successfully converted into a useable weapon.
The Details of the Assault
According to prosecutor Emmalyne Downing, the incident began on April 17, 2026, at the home of the younger brother’s girlfriend. What started as “playfighting” between the brothers escalated when Williams, who had been drinking, launched a sustained attack.
Williams struck his brother on the head with the handle of a modified imitation firearm. Even after the victim fell unconscious, Williams continued to punch and stamp on his head. Ms. Downing noted that Williams claimed during the assault that he believed he had already killed his brother, yet he did not cease the violence.
Threats and Legal Consequences
When family members attempted to stop the assault, Williams brandished the weapon at them. According to testimony, he held the gun within one foot of the younger brother’s girlfriend’s face and threatened to kill anyone who contacted the police.
Williams pleaded guilty to several charges, including assault occasioning actual bodily harm, possession of a firearm with intent, and converting an imitation firearm. Judge Nicola Jones, in her sentencing remarks, described the attack as “vicious” and “relentless.” Williams must serve half of his five-year, seven-month sentence in custody, with the remainder served on license.
This case highlights the severe legal risks associated with the possession and modification of imitation firearms. While the defense cited a “chaotic” upbringing and mental health difficulties as mitigating factors, the court’s decision to impose a significant custodial sentence underscores the judicial priority placed on public safety when lethal force, or the threat of it, is used in domestic settings.
Frequently Asked Questions
What were the specific charges against Jamie Williams?
Williams admitted to assault occasioning actual bodily harm, possession of a firearm with intent, possession of ammunition without a certificate, converting an imitation firearm into a useable firearm, and possession of cannabis.

What was the condition of the victim?
The victim suffered a swollen face and two black eyes after being beaten with a firearm, punched, and stamped upon while unconscious.
What happens to the weapons discovered by police?
The court issued a forfeiture order for the destruction of the converted imitation firearm, the additional firearms found at the grandmother’s home, and the seized ammunition.
How should the justice system balance an individual’s difficult upbringing with the need to protect the public from violent offenders?
