If no higher court grants an injunction , the recordings will be released on December 4 . The 2012 shooting left 26 people dead , including 20 children . It 's the second - deadliest shooting in Texas history .
If no higher court grants an appeal , the recordings will be released on December 4 . The 2012 shooting left 26 people dead , including 20 children . It 's the second-deadliest shooting in U.S. history .