And if that weren't enough to make a parent or student jittery, there's the high school "lockdown" drill -- an increasingly commonplace safety exercise designed to protect students in case of a Columbine-type attack.
We know about "lockdowns" the way an earlier generation knew about "duck and cover," in case of a nuclear attack.
At the same time, given the way the government has used each incident to institute creeping martial law (in this case the lockdown of the entire city), it's understandable why any official story might lack credibility.
For example, in the case of network infrastructures, the EU Radio lockdown directive will make it difficult to use alternative software on internet-enabled devices.
As darkness fell, Ramallah was still in a state of lockdown.
And from "New York State (2)": We stand in the Tundra of Lockdown Waiting for our lives Never to begin.
For months, the 2008-9 Knicks played spirited, competitive basketball, though typically lacking in any semblance of lockdown defense.
It is the same type of lockdown singer Britney Spears was placed under in 2008 at the peak of bizarre activity that landed her in a conservatorship.
Matina Stevis (@MatinaStevis) #Cyprus financial system goes into lockdown March 21 , 2013financial acrobat (@finansakrobat) In case you don't know, capital controls limit withdrawals and transfers of money from banks.
The worst cases of video game lockdown involve mandatory (and often sneaky) installation of software that interferes with CD or graphics card drivers, turning computers into bricks.
