Teenage Drug Dealer Unmasked After Importing Weapons to Family Home in Leafy Hertfordshire
A weapons-obsessed drug dealer, who notoriously posed in a terrifying skeleton mask with a shotgun to intimidate rival gangs, has been revealed as a 19-year-old teenager. Henri Nikolli was arrested at his family's home in the affluent area of Potters Bar, Hertfordshire, after attempting to ship additional firearms from the United States.
Sophisticated Criminal Operation Uncovered
In April of last year, the Organised Crime Partnership, a joint unit of the National Crime Agency and the Metropolitan Police Service, raided Nikolli's residence. The operation uncovered what authorities described as a 'gun shop' and a cannabis farm. This raid followed the interception of a package by the US Department of Homeland Security in March 2025, which Nikolli had ordered from an American company under the guise of a 'Canine Training Kit.'
The package contained a 9mm forward-venting blank-firing handgun and a firearms kit, including a magazine, brush, and muzzle adapter. A subsequent search of the Potters Bar home revealed three functioning antique firearms that had been modified to accept modern ammunition. Evidence of Nikolli's ability to manufacture or adapt firearms and ammunition was found through the recovery of relevant tools, as well as live and spent ammunition.
Cannabis Farm and Criminal Paraphernalia Seized
Alongside the weapons, a cannabis farm was discovered, featuring a large tent and the remains of cultivated plants. Dealer 'snap bags' and scales indicated how the product was being weighed, while several bags of herbal cannabis were found in the kitchen freezer and cannabis seeds in the fridge. Further searches of Nikolli's home and car led to the recovery of more ammunition, knives, phones, and multiple SIM cards.
A notebook detailing items and tools required to manufacture or adapt firearms and ammunition was also among the seized paraphernalia, highlighting the organised nature of his criminal activities.
Law Enforcement Response and Sentencing
Andrew Tickner, Senior Investigating Officer from the Organised Crime Partnership, stated, 'Nikolli was clearly a sophisticated criminal who had amassed an arsenal of dangerous weapons to facilitate his drugs trade. Despite already owning three viable antique firearms, he sought to import another gun which – if successful – could have done significant damage.'
Giorgina Venturella, Specialist Prosecutor for the Crown Prosecution Service, added, 'Henri Nikolli was a teenage criminal who developed a keen interest in firearms. Videos from his device showed firearms being test-fired in public spaces, demonstrating a flagrant disregard for the safety of others. The evidence painted a picture of an organised criminal deeply entrenched in a lawless lifestyle.'
Nikolli pleaded guilty to multiple charges in January 2026 at St Albans Crown Court and was sentenced to six years and three months in prison at the same location today.
