Massad Ayoob recommends against [0] using a defensive firearm with, say, a modified trigger due to potential liability. [1] This situation seems similar.<p>[0]: <a href="http:&#x2F;&#x2F;www.thetruthaboutguns.com&#x2F;2011&#x2F;01&#x2F;brad-kozak&#x2F;the-massad-ayoob-chronicles-part-v&#x2F;" rel="nofollow">http:&#x2F;&#x2F;www.thetruthaboutguns.com&#x2F;2011&#x2F;01&#x2F;brad-kozak&#x2F;the-mass...</a><p>[1]: <a href="http:&#x2F;&#x2F;www.royblack.com&#x2F;files&#x2F;Alvarez.pdf" rel="nofollow">http:&#x2F;&#x2F;www.royblack.com&#x2F;files&#x2F;Alvarez.pdf</a>