CNN CNN Newsroom December 21, 2014 23:06:00
Brown and eric garner. and other postings as well of self-despair, anger at himself or where his wife is right now. >> that actually was not commissioner bratton. it was the chief of detectives who held the press conference this afternoon. updating the investigation. but you heard the comments there on the mindset. michael daley, again, to you, do you think ismaaiyl brinsley was mentally unstable, someone who snapped or recent events pushed him into or over the edge? >> i think he was already over the edge and once over there, he latched on to something. his facebook posting before he started,...