article_snippet.sent: Ken Cooper, a use of force expert, said the deputies' were clearly frustrated and appeared to take that out on The suspect.
article_snippet.sent: Cooper said the officers should be disciplined, retrained to deal with stress especially, and video should be used for department-wide training.
article_snippet.sent: Cooper said the officers allowed the officers emotions and adrenaline to overtake the officers professionalism.
article_snippet.sent: But training helps 'inoculate' officers from responding improperly during high-stress situations. '
article_snippet.sent: It's your obligation as a professional.
article_snippet.sent: You can lose it sometimes,' Cooper said.