The first threat was the dog... Kill it... It shocks the family or observers in the area allowing for the extra seconds needed to take out the target(s). Kinda like Shock n Awe (a.k.a. Shekinah http://www.newswithviews.com/Horn/thomas105.htm )
Just look around the U.S. and how the police have been shooting the dogs of potential "subjects". They remove the uncontrollable threats first.
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