Bad Bridgets podcast about crime among Irish women in US inspires film

Margot Robbie's company to make movie based on Northern Ireland academics' stories of poverty and prison

It started as a trawl of dusty archives for an academic project about female Irish emigrants in Canada and the US by two history professors, a worthy but perhaps niche topic for research.

The subjects, after all, were human flotsam from Ireland's diaspora whose existence was often barely recorded, let alone remembered.