but as Grossman articulates There can be no doubt that this resistance to killing one s fellow ma

‘but as Grossman articulates, “There can be no doubt that this resistance to killing one’s fellow man is there and that it exists as a result of a powerful combination of instinctive, rational, environmental, hereditary, cultural, and social factors.”’

Van Horne, Patrick, et al. Left of Bang: How the Marine Corps’ Combat Hunter Program Can Save Your Life. 2015, loc. 106.