16-year-old Muslim girl assaulted and killed after leaving Virginia mosque

Police say Nabra Hassanen, 16, was observing Ramadan at a mosque in Sterling, Va., shortly before she was assaulted and killed. Here's what you need to know about the incident that police say is not being investigated as a hate crime.

(Source: Washington Post, https://www.youtube.com/watch?v=GyE0dqKVM-A)