![Eduardo Ramírez Tiburcio, alias El Chori, upon being arrested on March 18.](https://imagenes.elpais.com/resizer/v2/Y7QEQERCIVAPBMSUZ7N7DC3YSQ.jpg?auth=d7c9454b66498d1836fe57d48475dacbd5a43a525cfa69303251c77601e4d0b7&width=414&height=233&smart=true)
La Unión Tepito, the Mexico City cartel that refuses to die
After the latest blows inflicted, the authorities claim the criminal organization has splintered and lost its power; independent researchers argue that it is a hidden monster with deep roots in working-class neighborhoods