Dear hev: I lived in Boston for four years going to medical school. The houses were all getting close to a hundred years old, built in rows with common walls. They had been built as town houses for wealthy people who had left long ago. In most of them the owners lived in lowest two levels. Though there were four murders less than a few hundred yards from where I lived on top floor, I never heard of any burglary. I could walk a couple miles up to theater district late at night without having to worry about being robbed. The girls in the class did too. How things have changed. My daughter was mugged close to the medical school in late seventies, and students were robbed inside the medical school.
Right after WWII all the Southern States gave their welfare recipients bus tickets North. A friend from South Carolina told me this, and thought it uproariously funny.