Autopsy & toxicology
http://www.stltoday.com/online/pdf-autopsy-report-for-michael-brown/pdf_ce018d0c-5998-11e4-b700-001a4bcf6878.html
Most businesses destroyed were minority owned.
http://www.breitbart.com/Big-Government/2014/11/25/Most-Businesses-Destroyed-in-Ferguson-Minority-Owned
It looks like he was high on marijuana at the time.