Who Attacked NYC Teacher Vacationing in Mexico?

In 2018, a New York high school teacher traveled alone to Mexico for what should have been her dream vacation. Then Lauren Kassirer, 35, was found close to death in her villa, returned home in a coma and later died. Now her family is speaking out about what they believe is a coverup of her brutal killing. Inside Edition Chief Investigative Correspondent Lisa Guerrero visits Lauren's vacation rental to investigate.