article_snippet: Difference in what police chiefs did after shooting .
article_snippet: One officer was seen holding the leash of a barking dog, and St. Louis Alderman Antonio French said some officers wielded shotguns.
article_snippet: The police chief promised the crowd
article_snippet: The police chief would be part of the solution.
article_snippet: Five ways The police chief is in hot water .
article_snippet: Differences in mayor's reaction immediately after shooting .