This behind-the-scenes look lays out our year-long investigative journey in creating a digital series focused entirely on BART, one of the Bay Area’s most prominent transit agencies. View the complete series at: http://www.nbcbayarea.com/derailed Stay connected: Follow us on Twitter: http://www.twitter.com/nbcbayarea Like us on Facebook: http://www.facebook.com/nbcbayarea Follow us on Instagram: http://www.instagram.com/nbcbayarea Add us on Snapchat @NBCBayArea Catch up on all the day's news: http://www.nbcbayarea.com/ Download our app: On iOS: http://nbcbay.com/R1BhqYM On Android: http://nbcbay.com/rUcA97h #WeInvestigate