controversial acquittal of george zimmerman in the trayvon martin murder trial of the long sordid his store istria of racially fueled violence against african-americans goes much further back through years of segregation jim crow post civil war reconstruction and our own and our nation's original sin the institution of slavery and in an unexpected move that became public this week the u.s. department of justice made clear it is still interested in resolving one of the most famous cold cases of this history of wrongs the brutal mississippi murder in one nine hundred fifty five of emmett till a fourteen year old african-american visiting from chicago who was accused of making inappropriate advances on the local white woman and was later found savagely murdered and drowned in a river to this day the emmett till tragedy leaves civil rights a story ends with more questions than answers but is there a chance this may finally change. incredible story incredible story that's just come up and i mean it's interesting because i guess what spurred this was that a book came out last year and in it it was docum