Unrest in Ferguson plays out on social media

Gina Gowdy holds an upside-down American flag Monday, Nov. 24, 2014, in Ferguson, Mo., more than three months after an unarmed black 18-year-old man was shot and killed there by a white policeman. Ferguson and the St. Louis region are on edge in anticipation of the announcement by a grand jury whether to criminally charge Officer Darren Wilson in the killing of 18-year-old Michael Brown. (AP Photo/Charlie Riedel)