Homicide specialized in showing the mundane words and thoughts of its characters. They often digressed on subjects ranging from race to politics to the Lincoln assassination.
I don't recall their ever mentioning Indians, but one episode includes three such references. Here's the story:
Next, Detective Lewis makes a stereotypical comment about Indians:
Anyway, Homicide is a great show. Check it out on DVD if you haven't seen it.
For more on the subject, see TV Shows Featuring Indians.