Rudolfo Infante and Anna Villeda

Rudolfo or Rodolfo Infante Jímenez (born 1963 in San Benito, Texas, United States) and Anna or Ana María Ruíz Villeda (born 1971 in San Luis Potosí, Mexico) are a Mexican serial killer pair, active during 1991, in Matamoros, Mexico. They killed 8 women motivated by sexual compulsion. They lured their victims, young women, with servant job promises, then raping, robbing, and killing them. They were captured on October 21, 1991 and sentenced to 40 years in prison, the maximal conviction in Tamaulipas state at this time.