a white woman in 1955. the sign was scratched last month. and this past weekend, as well. the vandals ripped panels containing words and images telling till's story off the marker. emmett till's kidnapping and murder helped to galvanize the civil rights movement. the self-declared capital of isis is crumbling. next, a cnn exclusive. inside raqqah. we'll show you what life is like inside the city and how locals are trying to force remaining fighters out.