With a greater income gap, there is greater inequality between each class. This causes a lot of conflict and competition between each other, each individual tries to maintain their status or climb to the top. The upper class has greater power to dictate to people, including law enforcement officers. If the upper class feels threatened or unsafe by someone inferior to them, they will likely put more pressure on cops to feel safer. If police violence is lower in the presence of small income gaps, this would mean that it is higher in cities with growing or large inequality gaps. A study conducted in 2007 by Colorlines and the Chicago Reporter reveals that many acts of police violence occur in the city of San Diego. This study showed that the percentage of blacks killed by police “was at least double the percentage of the city's population” (Lulu Chang, bustle.com). Many African Americans believe that the force used against them by police was unnecessarily harsh. Combining this with a study conducted by the Brookings Institution shows that this city also has a high inequality gap. He explains that “the top 5% of earners in San Diego County earn nearly 9 times more in household income than those in the bottom 20%.” The income gap was shown to grow from 2007 to 2012, as top incomes went from a ratio of about 8.4 to 1 to