"Marc Hermann, now in his early 30s, worked as a staff crime photographer for the New York Daily News for years. He began wondering what it would be like to see how past crime scenes from New York's streets have changed."Then and Now can be seen here.
"His Then and Now series went viral, and he took BBC News to some of his favourite locations. It is partly a tribute to the old-timers who captured the dramatic aftermath of organised crime in its hey-day, and an homage to the city's turbulent history."