Signs that a person is concealing a weapon

Here is an interesting article from the folks at the Crisis Prevention Institute:
http://www.crisisprevention.com/Resources/Article-Library/Nonviolent-Crisis-Intervention-Training-Articles/Seven-Signs-A-Weapon-Is-Being-Concealed
As martial artists, we train to develop mastery of a physical skill set.  It is even more important, however, that we train our awareness.  Sometimes this means checking our ego at the door.  Even the most highly trained martial artist can be surprised and overcome by some thug with a weapon.  It is important to understand the basic emotional, psychological, and cognitive processes that accompany the escalation of violence, so that we can act proactively in protecting our own lives, as well as the lives of our loved ones.  Here are some further resources:
https://www.mosaicmethod.com/
 http://www.amazon.com/Gift-Fear-Survival-Signals-Violence/dp/0747538352
http://www.amazon.com/Combat-Psychology-Physiology-Deadly-Conflict/dp/0964920549/ref=pd_sim_b_3

This topic will be explored further in posts to come.