This is because favelas are usually swamped with drug trafficking and many other unsafe events in the 1,000 favelas dispersed throughout the city. As Theresa Williamson, founder and CEO of Catalytic Project, explains, most favelas are located on the north side. Williamson also informs that approximately 30% of the Brazilian population lives in these slums. This information is crucial when analyzing Rio for hosting the games as each favela is controlled by drug traffickers and crime protrudes. As a result, security around favelas could become a significant issue for Rio's development