He was Scotland's first ambitious drug baron who went from being a diver in the oil industry to a major league importer. 

Ambitious and ruthless, Julian Chisholm rose the ranks at an incredible speed as he plotted to use Scotland's sleepy fishing villages and islands as his landing points for drugs bartered directly from the Cali cartel. But was his greed his undoing?

Nicola is joined by reporter Brendan Duggan who turned the amazing story of Chilsom into a podcast called ‘Hunting Mr X’ he tells me of the drama on the high seas that turned Chilsom into Scotland's most wanted.

Crime World, with Nicola Tallant, is a weekly Iri…