He was quoting former Miami Police Chief Walter Headley, who in December 1967, said "when the looting starts, the shooting starts." Headley was police chief during racially charged protests in Miami in 1967 and was known for his "stop and frisk" tactics. This is the same guy who strip searched a black man and dangled him from an overpass. This is who our president sees as a role model. That guy also said "We'll show them police brutality"