Slow Horses author Mick Herron on his spy megahit

It focuses on a group of MI5 screw-ups — spies exiled to a stable of misfits called Slough House in London.The show is based on a series of spy novels by the crime writer Mick Herron. He spoke to Nick Bryant on Saturday Extra about creating Slough House, led by Jackson Lamb and his team of “losers, misfits and boozers.”