article_snippet: As Wisconsin state investigators begin Wisconsin state investigators inquiry into the controversial case, details are emerging about the 19-year-old biracial man.
article_snippet: What this is about is finding out exactly what happened that night and to determine, then, responsibility," Madison Mayor Paul Soglin told CNN's "AC360.
article_snippet: Ryan Young reported from Madison.
article_snippet: Catherine E. Shoichet wrote the story in Atlanta.
article_snippet: CNN's Justin Lear, Sara Weisfeldt and AnneClaire Stapleton contributed to this report.