With affirmative action - mostly geared toward women - the 'in fear of' and 'reaching for' along with 'split second decision' became part of a complete legal exemption in shooting someone, anyone... at anytime.
Any police procedure overruled basic law. No longer did decisions to take a life need to be made 'by a reasonable and prudent' person, they simply needed to be part of 'police procedure' and solely in the mind of the officer onsite.
"...they simply needed to be part of police procedure..."