Chris Brown --Narcissist or sociopath

What are your thoughts after the assalt of Rihanna and now the outburst on GMA?

http://www.tmz.com/2011/03/22/chris-brown-violent-outburst-at-gma-fame-album-photo-gallery/?icid=maing%7Cmain5%7Cdl2%7Csec1_lnk2%7C51131