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Wanted: Jonathan McAllister, Conspiracy to Supply Cocaine, Heroin and Ketamine

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Drugs Newyddion YHROCU
Cyhoeddwyd: 06:05 21/10/2025

Police have renewed an appeal for information to help locate a convicted drug dealer who is wanted by Police after failing to appear at court for sentencing.

Jonathan McAllister was given a 20-year sentence in his absence at Sheffield Crown Court in May 2022 after being found guilty of conspiracy to supply cocaine and heroin, conspiracy to supply ketamine, possessing criminal property, and conspiracy to contravene customs laws.

McAllister, who was on bail, failed to appear at court for sentencing which followed an investigation by the Yorkshire and Humber Regional Organised Crime Unit (YHROCU).

The court heard McAllister played a key role in importing 90 kilos of cocaine and 10 kilos of heroin from the Netherlands to an industrial estate in Ecclesfield, Sheffield. The drugs had an estimated street value at the time of £9.5 million.

A further consignment of 11 kilos of cocaine and six kilos of heroin was intercepted before it arrived at an industrial estate in Penistone, Barnsley, and was estimated in court to have a street value of more than £1.25 million.

Searches of a lock-up linked to McAllister resulted in the further discovery of 15 kilos of ketamine, while £25,000 in cash was found at his home.

The 33-year-old, formerly of Finkle Street Lane, Wortley, near Sheffield, is described as a white male, of slim build, 5 foot 11 ins (182cm) tall with dark brown hair and blue eyes.

Anyone with information which may help to locate McAllister is asked to contact South Yorkshire Police by calling 101 and quoting reference SYP-20251015-0679.

Or contact independent charity Crimestoppers anonymously on 0800 555 111.

Jonathan McAllister 22.10.92.JPG
Wanted: Jonathan McAllister

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