PositiveThe Wall Street JournalMore than crime reportage ... Mr. Barragán’s achievement is to make this world intelligible without making excuses for it. He has a reporter’s gift for proximity. He lets the scammers talk—at length, often hilariously—but not hide inside their own mythology. ... Mr. Barragán shows us young men who are morally hollow without pretending that they are not also human. That only makes the damage harder to look away from ... If the book has a weakness, it is that these tech platforms that make the scams scalable remain more backdrop than subject. Mr. Barragán offers no easy answers.