Ie they add he had a "history of mental ilness"(how would police know such information,let alone why would it be reported.let the evidence/actions alone stand for itself.did he or did he not represent a true threat? The cop at the airport didn't shoot because he had a "history of mental illness" did she?
http://m.newser.com/story/204335/man-with-machete-shot-at-airport-in-new-orleans.html