I think a better public understanding of police risk-averse training for common scenarios such as traffic stops would be a huge step in gaining common understanding in preparation for a meaningful dialogue.<p>To a driver asked for their license, reaching unanounced for a wallet in a concealed place <i>(pocket, purse, glovebox)</i> is an innocent and virtually instinctual movement.  To a LEO, the same movement, by necessity, must be considered as having the potential to end their life.