One of her most controversial actions as congresswoman happened while the La Cantuta massacre case was making headlines in Peru . During the investigations and legal procedures , it was revealed that at least 10 people were kidnapped and killed by the Peruvian military . Chávez responded by introducing a law that prohibited the judicial powers from calling low-level military officials to testify in court cases . The resolution passed after opposition lawmakers walked out of Congress in protest
La Cantuta massacre
La Cantuta massacre
Martha Chávez