Sin City's Secrets

Sequel to 'It's A Crime To Smile'. 6 months on from the Schoolgirl Strangler now the team have come across an odd massacre but this killer is only getting started & they need to unmask them before the body count rises. They fear it's a gang hit which forces them to engage with Sam Braun but no one can mix with the mob unscathed. What happens when 1 of their own becomes endangered?