CNN CNN Newsroom Live August 27, 2015 06:35:00
>> for bizarre behavior? >> and for fighting with other employees. he threatened to punch people out and was running rough shod over other folks. >> dr. eric fisher is a licensed psychologist and joins us to try to process what we have all witnessed. the gunman carried many grievances and was let go a number of times and put real planning and effort into this shooting. what was that and what is in his manifesto tell you about his mental state? >> here's somebody who for a long period of time felt they had been percesecuted and bulli and shamed and feeling weak. what he was seeking to do was to...