i came across a article by an english crime minnolgist. and he were talking about caribbeans, and, asians in england. he said, well they are empoverriched and their situation, is roughly comparable to the afro-caribbean. but they have much higher homicide commission rate. i found other examples, so that it seems some groups facing similar adverse takeys do more violence than others. that's where i think, culture must enter in. there must be something about the values of the group, the behaviors of the group over time, that lead them to engage in more violent crime than other groups. i'm only interested in violent crime. >> when you think about this culture, in the united states, in the south, where you see the start of the great migration, where does this violent culture come from? can we begin to trace that? >> that's fascinating, i came across a book by fisher, called albion seed. it was the name for what is called the uk. this book traces the migrations from england, to the united states, in largely the 18th century. and fisher points o