Mexico will investigate officials of the Migration Institute for the massacre in Santa Anita | Video | CNN

Investigations into the Santa Anita massacre, Tamaulipas, continue. According to the Prosecutor's Office, at least 2 of the 19 burned bodies are Guatemalan. The Secretary of the Interior of Mexico, Olga Sánchez Cordero, said that officials from the National Migration Institute will also be investigated to learn details about the burned-out truck. The truck was confiscated in December by officials of the institute, according to authorities. "We have to have a very solid investigation of all the evidence," said Sánchez Cordero.