The three old people who lived in the old mansion at Republica del Salvador, No. 66, never admitted visitors, had no servants. Brother Angel Villar Lledias, stooped and 70, did the marketing. Sister Maria, somber and 58, cooked. Brother Miguel, 66, was blind. Sometimes the three trailed over to shabby El Principal for lunch, left a 5 ¢tip.
One night Maria's friends called the Mexico City police to No. 66. Inside, amid the dust of 50 years, were fine paintings and massive mahogany furniture. Also in the house were the bruised bodies of Angel and Miguel. Investigating the deaths, the...