Ice cream vans are synonymous with treats, however for communities in some of the poorest parts of Glasgow in the 1970s, these vans were a lifeline. Carrying not just ice cream, these vans were effectively the general store on wheels because the council had built high-density living without the necessary amenities like shops.

However, the routes through these estates became highly lucrative, and were quickly taken over by criminals and the ensuing wars between opposing factions led to one of the most controversial investigations and convictions in modern Scottish history.

Robert Neill is the director of BBC’s The Ice Cream Wars and he joined Sean on the show to discuss…