That Bob is a sobering report tho - for many of us not too great a surprise - Tueller drill and all that.
As ever I think if it comes to defence of self and legal sequele - it will be and is down to ''stopping the threat'' - I would certainly want jurors to understand this when they might be thinking - knife vs gun = mismatch!!!
I have seen even real big guys - say 350 plus - be able to move incredibly fast over short distances - never under estimate an opponent!!