With the Brown University shooter still at large, law enforcement released new enhanced images as well as video showing time-stamped movements of a person of interest that begins two hours before the shooting. Authorities say the new footage, stitched together using clips from homes, businesses and even dash camera footage, shows a man walking through the surrounding neighborhood. NBC’s Erin McLaughlin reports for TODAY. For more context and news coverage of the most important stories of our day, click here: nbcnews.com » Subscribe to NBC News: nbcnews.to/SubscribeToNBC » Subscribe to Here's the Scoop podcast: nbcnews.com/heres-the-scoop-daily-podcast Every day, NBC News helps people understand what’s happening and why it matters — through fact-based reporting, meaningful conversations, and powerful stories. From its leading news broadcasts — TODAY, NBC Nightly News, Meet the Press, and Dateline — to NBC News NOW, the 24/7 streaming news channel, plus ...