With the recent arrests of darkmarket operators the takedown procedure often 
involves bullrushing the operator while their computer is open, should this 
tactic be employed against a tails users there is one of three things they can 
do:

* Remove USB key
* Move cursor over to shutdown icon and select shutdown
* Press and hold power button for 5 seconds on computer (or pull cord if 
desktop)

The problem with all three is that they are often inpractical in this situation 
to pull off in a timely manner, the operator has literally 3 seconds to do one 
of these coordinated tasks:

* USB may have a tight fit or be too small to pull out easily
* Moving the cursor to select two icons is a slow and coordinated task
* Holding the shutdown key takes too long and enables the risk of the attacker 
performing a coldboot memread

I advise that a key be assigned that upon pressing will automatically put tails 
into shutdown mode. This could be a key combo if the key combo is intuitive 
such as the Ctrl+Alt+Del combo.
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