Sandoval was thin and reserved, with a nervous laugh and a faint voice. The name of her ex-boyfriend, Carlos, was tattooed in cursive on her left wrist. He was in prison for the murders of Mickens and Cuevas, but the fact that he was locked away compounded her fears. Ever since the police picked him up, Sandoval had worried that his friends in the gang would come looking for her. MS-13 members were still angry that she’d broken up with him. But she was also scared of his old rivals: to members of the Bloods, who lived on her street, she was guilty of having once associated with MS-13.

