More than a week since a teenager opened fire on young children and teachers at an elementary school in southwest Texas, much remains unknown about why police did not run into the building and what investigators have learned about their response.
Exterior door at Robb Elementary School did not lock when it was closed by a teacher shortly before a gunman used it to get inside and kill 19 students and two teachers.
The Justice Department said Sunday it will review the law enforcement response to the Texas school shooting, an unusual federal look back prompted by questions about the shifting and at times contradictory information from authorities that have enraged a community in shock and sorrow.
Civil liberties groups have expressed concern about DOJ overreaching authority, assaulting free press in sweeping probe against conservative journalist James O'Keefe
Top officials at the National School Boards Association (NSBA) have apologized for a controversial letter that called on the Justice Department to probe parents under domestic terrorism laws.
