Malcolm Gladwell has been a contributor to the New Yorker for quite some time, as well as a well-known author of non-fiction books like "Blink". In this article of the New Yorker, he talks about the dog attacks that happened in Ottawa, the "Pit-bull" type ban in Ontario, and the close parallels with Racial Profiling.
http://www.newyorker.com/fact/content/articles/060206fa_fact