Mansfield Container Gang Jailed for 100 Years: How Was Arsenal Stashed?

Tanvir Anjum Arif
Sep 25, 2026 12:27 PM
Firearms and wholesale narcotics recovered from industrial shipping containers by Nottinghamshire Police officers.
  • Twelve members of a sophisticated crime syndicate who concealed guns and £746,000 of narcotics in industrial storage containers have received prison terms exceeding 100 years.

A sophisticated organised crime syndicate that converted industrial storage units into heavily fortified arsenals and drug-packaging depots has been dismantled, with twelve offenders receiving sentences totalling more than a century at Nottingham Crown Court. The network, orchestrated by 37-year-old Jamie Smith, channelled wholesale quantities of cocaine, crack cocaine, heroin, MDMA, and cannabis across Nottinghamshire, Hertfordshire, and Wales before law enforcement intervened.

Detectives attached to the Nottinghamshire Police Serious and Organised Crime Task Force launched the protracted covert investigation, codenamed Operation Basin, in August 2025. Inquiries established that the syndicate leased five individual steel shipping containers on an industrial estate in Mansfield, assigning compartmentalised security clearance to members based on their hierarchy. Daily Dazzling Dawn understands that one unit functioned exclusively as a secure bank for cash reserves, another held lethal weaponry and bulk narcotics, while the remaining three units operated as active adulteration, pressing, and packaging facilities.

Surveillance teams monitored members making recurring visits to the Mansfield yard, collecting wholesale consignments and replenishing street distribution networks. Key operator Leah Hopkinson, 31, frequently visited the site up to four times daily over a three-month window, distributing an estimated 600 street-level wraps each day. Investigators observed Hopkinson arriving directly in her professional care worker uniform, using her employment routine as cover while dispensing illicit substances.

The operation culminated in November 2025 when tactical firearms officers executed coordinated entry warrants across the industrial estate and connected residential addresses. Minutes prior to the breach, surveillance officers observed Jamie Smith hurriedly transferring firearms between adjacent units.

Upon forcing entry into the five units, search teams discovered £746,000 worth of illicit drugs alongside an array of commercial cutting agents, precision weighing scales, and an industrial hydraulic drug press. Officers recovered five viable firearms, including three handguns—one of which was an antique Broomhandle Mauser—together with a shotgun, a self-loading rifle, extensive live ammunition, and bladed weapons including a machete.

Subsequent warrants conducted across regional residences yielded £48,038 in packaged cash, sim cards, mobile phones, designer apparel, and motorbikes. At the Mansfield home shared by Smith and Shannon Lee Shaw, officers uncovered a burner phone wrapped in clingfilm concealed behind a perimeter garden fence, which contained the primary client database and message logs for the narcotics line. Further stops saw Justin Gibson intercepted in Ware, Hertfordshire, with over £15,000 in cash inside his vehicle following a cross-county transaction, while couriers Anthony Lumley and Brennan Hayes were detained after fleeing from the container yard.

Addressing the defendants at Nottingham Crown Court on Thursday, 24 September, His Honour Judge John Sampson condemned the defendants for peddling human misery, noting that Class A substances wreck families, destroy local communities, and fuel endemic acquisitive crime.

Syndicate leader Jamie Smith, of Breckbank, Mansfield, received a sentence of 22 years and eight months after admitting three counts of conspiracy to supply Class A drugs, conspiracy to supply Class B drugs, and four distinct firearms and ammunition offences. Justin Gibson, of The Rushes, Mansfield Woodhouse, was handed 17 years behind bars following a conviction at trial for Class A conspiracy and a guilty plea for Class B conspiracy. Key operative Leah Hopkinson, also of The Rushes, was jailed for six years for her operational role.

Kieran Rimmer, of Seventh Avenue, Clipstone, was sentenced to 11 years and three months, while Anthony Lumley, of Manor Road, received eight years and one month. Matthew Bryan was jailed for seven-and-a-half years, Stefan Houston received six years, and Jack Smith was sentenced to five years and 10 months. Lee Shipman was jailed for five years and seven months, Brennan Hayes received five years and four months, and Josh Harmieson was sentenced to five years and three months. Shannon Shaw received a four-month custodial term, suspended for 12 months, after admitting acquiring criminal property.

Speaking to Daily Dazzling Dawn, police representatives underlined that the removal of five viable firearms and their associated distribution network has prevented widespread violent crime throughout the East Midlands.

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Firearms and wholesale narcotics recovered from industrial shipping containers by Nottinghamshire Police officers.