Published in the 1970s, this book is a deep dive into the most shocking criminal cases in modern Mexican history. The chapter on "Las Poquianchis" refers to the and La Viuda —sisters who ran a clandestine network of prostitution, drug trafficking, and murder in the state of Guanajuato during the 1950s and 1960s.
: The book explores the sisters' operation of a prostitution and murder ring in Guanajuato and Jalisco, Mexico, between 1945 and 1964. It is noted for including interviews and direct accounts, specifically with María de Jesús González Valenzuela . libro las poquianchis por dios que asi fue pdf
