“It takes the hood to save the hood.” Whether you’ve seen these words printed in big white letters on the back of a black T-shirt or in a hashtag on Twitter or Instagram, the phrase has become a rallying cry for those who understand the challenges and struggles of inner-city communities. Its origins lie in the story of Rudy Corpuz Jr., a former gang member and drug dealer who turned his life around to become a beacon of hope for young people in San Francisco.