From murderers, thieves and hookers, these are the faces of the many who were captured on camera at the lowest points of their lives. And while many people would say mugshots of the past hold a certain curiosity, one man confesses what started as an initial fascination turned into an obsession. There's more than 10,000 photographs of men and women of all races and ages, taken after their run-ins with the law, but here are the top 20 bad girls mugshots.