I spent much of last year working on an investigative series into road traffic deaths in New York City. We used data to track and analyse the deaths, while also telling the personal narratives around the tragedies. I was personally responsible for seeking out the families and profiling the deaths. Here's the sum of the work:
http://www.wnyc.org/story/mean-streets-2014-who-we-lost-how-they-lived/