American Civil Liberties Union

A vague warning about the possibility of school shootings in an Oklahoma Fusion Center intelligence bulletin led to a panic at Oklahoma City Community College when a responding security guard accidentally discharged a weapon in the school library and the school went into lockdown.  The bulletin was not based on a specific threat and didn't mention Oklahoma schools as a possible target.

http://newsok.com/shooting-scare-stirs-panic-at-oklahoma-city-community-college/article/3442696