A Wimbledon Guardian investigation into a gun-running ring operated by an inmate at Wandsworth Prison has been featured on the BBC.

The newspaper broke the story in November of prisoner Alexander Mullings smuggling Skorpion machine guns into the UK using a stashed mobile phone.

Inmate Alexander Mullings, 23, was sentenced to life imprisonment in February. 

Nov 28: Inmate on trial for 'masterminding Scorpion machine gun-running ring' from his prison cell

The BBC interviewed reporter Louisa Clarence-Smith about the story for BBC Radio Four's award-winning investigative journalism programme File on 4. 

Wimbledon Times:

Gun-smugglers: Alexander Mullings and his girlfriend Emily Ciantar conspired to import illegal firearms from Germany to the UK via Parcelforce 

Dec 3: 'Boil in oil' threat to dealer organising machine gun importation from Wandsworth Prison

Dec 18: Machine gun smuggling woman: 'London gangsters threatened to kill my gran'

Jan 6: Prisoner 'masterminded' importation of submachine guns to London streets from his cell

Feb 27: Judge condemns Wandsworth Prison security after inmate imports machine guns from his cell

The episode investigates how illegal firearms like those used by terrorists in Paris earlier this year are being traded around Europe, with some entering the UK.

To listen to the programme, visit: http://www.bbc.co.uk/programmes/b05mt3gt