A good write up here: http://arstechnica.com/tech-policy/2015/10/hacker-releases-new-purported-personal-data-for-top-cia-dhs-officials/
I know some will lump this in with Snowden & Manning, but I don't think that is right. It is one thing to expose the violations of the constitution committed by the Government, but a completely different thing to dox people. This is the type of thing that ruins careers and lives.
I'll reserve judgement for now, but this guy had better produce something of value. Otherwise, he is just causing needless suffering.