Uvalde teacher seeks video to clear her name: ‘I was thinking about saving lives’

Amy Marin-Franco says there’s proof she closed a door at Robb Elementary School before a massacre, but authorities in Texas have withheld it for more than three years.

​ Amy Marin-Franco says there’s proof she closed a door at Robb Elementary School before a massacre, but authorities in Texas have withheld it for more than three years. Read More Breaking News, Latest News and Videos | CNN