At 4:30 he asked me for a divorce while I was cooking for his family—but he didn’t know I already had everything I needed to end his carefully built life.

At 4:30 in the morning, Mariana was holding her baby in one arm and stirring a pot of beans with the other when Andrés entered the kitchen and said, as if asking for a glass of water:

“I want a divorce.”

The Robles family home, in an affluent neighborhood of Querétaro, was still silent.

All you could hear was the coffee simmering, the griddle warming continue reading …