Baltimore police release surveillance video
04:43Ari Melber joins Alex Wagner to talk about the Baltimore Police Department's briefing on the incident involving Freddie Gray, a 25-year-old man who died after being taken into police custody.
Ari Melber joins Alex Wagner to talk about the Baltimore Police Department's briefing on the incident involving Freddie Gray, a 25-year-old man who died after being taken into police custody.