On the night of 30 October 2019, as many Mexicans were preparing to celebrate the Day of the Dead, the family of Jessica Jaramillo stood in the pouring rain watching two dozen police search a house on the outskirts of Toluca, the capital of Mexico State. At about 9pm, the authorities carried out a dead dog, followed by two live ones and a cat. Then they pulled out a woman’s body.
Jessi, a 23-year-old psychology student at a local university, had gone missing a week earlier. On 24 October, she hadn’t appeared at the spot where her parents usually